Attachment 347273 Details for Bug 187773 – Patch

[patch] Patch

bug-187773-20180816103236.patch (text/plain), 91.62 KB, created by Woodrow Wang on 2018-08-16 10:32:37 PDT

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Creator: Woodrow Wang

Created: 2018-08-16 10:32:37 PDT

Size: 91.62 KB

patch

obsolete

>Subversion Revision: 234888
>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index 81a4c67198b78679752e497cafa7d55f0593545e..da341e2959e724338c9b0d4cfb8b15769a68d4e5 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,15 @@
>+2018-07-18  Woodrow Wang  <woodrow_wang@apple.com>
>+
>+        Added Web API Statistics Collection
>+        https://bugs.webkit.org/show_bug.cgi?id=187773
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Added a new flag ENABLE_WEB_API_STATISTICS to wrap all code in compile time flags for when 
>+        we would like to collect various web API statistics for analysis. 
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-08-14  Fujii Hironori  <Hironori.Fujii@sony.com>
> 
>         Unreviewed, rolling out r234874 and r234876.
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index c052c632521fffed7f6a1b9181d118bdd56bcd27..12924f943cd163996d645b590f1bb4535f82ce70 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,74 @@
>+2018-07-18  Woodrow Wang  <woodrow_wang@apple.com>
>+
>+        Added Web API Statistics Collection
>+        https://bugs.webkit.org/show_bug.cgi?id=187773
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Added a new flag ENABLE_WEB_API_STATISTICS to wrap all code in compile time flags for when 
>+        we would like to collect various web API statistics for analysis. 
>+
>+        Added data collection for web API statistics, specifically regarding the canvas, font loads, 
>+        screen functions, and navigator functions. All of the code is placed under the compile time flag
>+        ENABLE_WEB_API_STATISTICS. The statistics are stored in a ResourceLoadStatistics object and written
>+        to a plist on disk. Added a new file CanvasLog.h which includes a struct to keep track of HTML5 canvas
>+        element read and writes. 
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+        * WebCore.xcodeproj/project.pbxproj:
>+        * css/CSSFontSelector.cpp:
>+        (WebCore::CSSFontSelector::fontRangesForFamily):
>+
>+        For canvas statistics, we record any attempt at a canvas read, regardless of 
>+        whether or not it was successful, as we would like to keep track of the site's intent
>+        in our predictions. 
>+
>+        * html/HTMLCanvasElement.cpp:
>+        (WebCore::HTMLCanvasElement::toDataURL):
>+        (WebCore::HTMLCanvasElement::toBlob):
>+        (WebCore::HTMLCanvasElement::getImageData):
>+        (WebCore::HTMLCanvasElement::toMediaSample):
>+        (WebCore::HTMLCanvasElement::captureStream):
>+        (WebCore::HTMLCanvasElement::logFingerprint):
>+
>+        * html/HTMLCanvasElement.h:
>+        * html/canvas/CanvasRenderingContext2D.cpp:
>+        (WebCore::CanvasRenderingContext2D::measureText):
>+        (WebCore::CanvasRenderingContext2D::drawTextInternal):
>+        * loader/CanvasLog.h: Added.
>+        * loader/ResourceLoadObserver.cpp:
>+        (WebCore::ResourceLoadObserver::logFontLoad):
>+        (WebCore::ResourceLoadObserver::logCanvasFingerprint):
>+        (WebCore::ResourceLoadObserver::logNavigatorLoad):
>+        (WebCore::ResourceLoadObserver::logScreenLoad):
>+        * loader/ResourceLoadObserver.h:
>+        * loader/ResourceLoadStatistics.cpp:
>+        (WebCore::encodeCanvasLog):
>+        (WebCore::ResourceLoadStatistics::encode const):
>+        (WebCore::decodeCanvasLog):
>+        (WebCore::ResourceLoadStatistics::decode):
>+        (WebCore::ResourceLoadStatistics::toString const):
>+        (WebCore::ResourceLoadStatistics::merge):
>+        * loader/ResourceLoadStatistics.h:
>+        * page/Navigator.cpp:
>+        (WebCore::Navigator::appVersion const):
>+        (WebCore::Navigator::userAgent const):
>+        (WebCore::Navigator::plugins):
>+        (WebCore::Navigator::mimeTypes):
>+        (WebCore::Navigator::cookieEnabled const):
>+        (WebCore::Navigator::javaEnabled const):
>+        (WebCore::Navigator::standalone const):
>+        (WebCore::Navigator::getStorageUpdates):
>+        * page/Screen.cpp:
>+        (WebCore::Screen::height const):
>+        (WebCore::Screen::width const):
>+        (WebCore::Screen::colorDepth const):
>+        (WebCore::Screen::pixelDepth const):
>+        (WebCore::Screen::availLeft const):
>+        (WebCore::Screen::availTop const):
>+        (WebCore::Screen::availHeight const):
>+        (WebCore::Screen::availWidth const):
>+
> 2018-08-15  Wenson Hsieh  <wenson_hsieh@apple.com>
> 
>         [Attachment SPI] Remove attachment display mode options
>diff --git a/Source/WebCore/PAL/ChangeLog b/Source/WebCore/PAL/ChangeLog
>index 5268cbccff1434bf5017549ea543307c20bffeb9..7760c0c69da203f7d73baedc49f707e0068591bc 100644
>--- a/Source/WebCore/PAL/ChangeLog
>+++ b/Source/WebCore/PAL/ChangeLog
>@@ -1,3 +1,15 @@
>+2018-07-18  Woodrow Wang  <woodrow_wang@apple.com>
>+
>+        Added Web API Statistics Collection
>+        https://bugs.webkit.org/show_bug.cgi?id=187773
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Added a new flag ENABLE_WEB_API_STATISTICS to wrap all code in compile time flags for when 
>+        we would like to collect various web API statistics for analysis. 
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-08-14  Ansh Shukla  <ansh_shukla@apple.com>
> 
>         NSURLAuthenticationMethodOAuth challenges are surfaced to clients in -didReceiveAuthenticationChallenge as NSURLAuthenticationMethodDefault
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index 65b78a253c9de6d06d570c6bdfef158d67ac774b..eabfda38460d0a8e1dc6d229d4dc79d79882c1e7 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,23 @@
>+2018-07-18  Woodrow Wang  <woodrow_wang@apple.com>
>+
>+        Added Web API Statistics Collection
>+        https://bugs.webkit.org/show_bug.cgi?id=187773
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Added a new flag ENABLE_WEB_API_STATISTICS to wrap all code in compile time flags for when 
>+        we would like to collect various web API statistics for analysis. 
>+
>+        Updated the resource load statistics model version to 13. 
>+
>+        Added encode and decode functions for the respective web API statistics.
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+        * Shared/WebCoreArgumentCoders.cpp:
>+        (IPC::ArgumentCoder<ResourceLoadStatistics>::encode):
>+        (IPC::ArgumentCoder<ResourceLoadStatistics>::decode):
>+        * UIProcess/ResourceLoadStatisticsMemoryStore.cpp:
>+
> 2018-08-15  Michael Catanzaro  <mcatanzaro@igalia.com>
> 
>         [WPE][GTK] WaylandCompositor fails to properly remove surface from its page map
>diff --git a/Source/WebKitLegacy/mac/ChangeLog b/Source/WebKitLegacy/mac/ChangeLog
>index 77093f102445849d564e90ff87bad866f1a160df..72bd07caada31e838d99b4814d8c57657fac31a2 100644
>--- a/Source/WebKitLegacy/mac/ChangeLog
>+++ b/Source/WebKitLegacy/mac/ChangeLog
>@@ -1,3 +1,15 @@
>+2018-07-18  Woodrow Wang  <woodrow_wang@apple.com>
>+
>+        Added Web API Statistics Collection
>+        https://bugs.webkit.org/show_bug.cgi?id=187773
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Added a new flag ENABLE_WEB_API_STATISTICS to wrap all code in compile time flags for when 
>+        we would like to collect various web API statistics for analysis. 
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-08-13  Alex Christensen  <achristensen@webkit.org>
> 
>         Use a 1-byte enum class for TextDirection
>diff --git a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>index 41a336c75084648f7bfc607ba82245ab25568170..7a7d9ef8ddec7b03b9d9ff9b54e99fc1cb5ca6e2 100644
>--- a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>+++ b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>@@ -352,6 +352,8 @@ ENABLE_WEBGPU_watchos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_appletvos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_macosx = ENABLE_WEBGPU;
> 
>+ENABLE_WEB_API_STATISTICS = ENABLE_WEB_API_STATISTICS;
>+
> ENABLE_WEB_AUDIO = ENABLE_WEB_AUDIO;
> 
> ENABLE_WEB_AUTHN = $(ENABLE_WEB_AUTHN_$(WK_PLATFORM_NAME));
>@@ -368,4 +370,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_API_STATISTICS) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/WebCore/Configurations/FeatureDefines.xcconfig b/Source/WebCore/Configurations/FeatureDefines.xcconfig
>index 41a336c75084648f7bfc607ba82245ab25568170..7a7d9ef8ddec7b03b9d9ff9b54e99fc1cb5ca6e2 100644
>--- a/Source/WebCore/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebCore/Configurations/FeatureDefines.xcconfig
>@@ -352,6 +352,8 @@ ENABLE_WEBGPU_watchos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_appletvos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_macosx = ENABLE_WEBGPU;
> 
>+ENABLE_WEB_API_STATISTICS = ENABLE_WEB_API_STATISTICS;
>+
> ENABLE_WEB_AUDIO = ENABLE_WEB_AUDIO;
> 
> ENABLE_WEB_AUTHN = $(ENABLE_WEB_AUTHN_$(WK_PLATFORM_NAME));
>@@ -368,4 +370,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_API_STATISTICS) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig b/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>index 41a336c75084648f7bfc607ba82245ab25568170..7a7d9ef8ddec7b03b9d9ff9b54e99fc1cb5ca6e2 100644
>--- a/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>@@ -352,6 +352,8 @@ ENABLE_WEBGPU_watchos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_appletvos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_macosx = ENABLE_WEBGPU;
> 
>+ENABLE_WEB_API_STATISTICS = ENABLE_WEB_API_STATISTICS;
>+
> ENABLE_WEB_AUDIO = ENABLE_WEB_AUDIO;
> 
> ENABLE_WEB_AUTHN = $(ENABLE_WEB_AUTHN_$(WK_PLATFORM_NAME));
>@@ -368,4 +370,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_API_STATISTICS) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/WebCore/WebCore.xcodeproj/project.pbxproj b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>index d34f8b009380c32c935e8790b7eddad0898df738..fcc5db4223f63f4b1c9823d3e7c8b9ec4cfaf96b 100644
>--- a/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>+++ b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>@@ -4797,6 +4797,8 @@
> 		ED2BA83C09A24B91006C0AC4 /* DocumentMarker.h in Headers */ = {isa = PBXBuildFile; fileRef = ED2BA83B09A24B91006C0AC4 /* DocumentMarker.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		EDE3A5000C7A430600956A37 /* ColorMac.h in Headers */ = {isa = PBXBuildFile; fileRef = EDE3A4FF0C7A430600956A37 /* ColorMac.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		EDEC98030AED7E170059137F /* WebCorePrefix.h in Headers */ = {isa = PBXBuildFile; fileRef = EDEC98020AED7E170059137F /* WebCorePrefix.h */; };
>+		EFB728812124CA38005C2558 /* CanvasActivityRecord.cpp in Sources */ = {isa = PBXBuildFile; fileRef = EFB7287B2124C73D005C2558 /* CanvasActivityRecord.cpp */; };
>+		EFCC6C8F20FE914400A2321B /* CanvasActivityRecord.h in Headers */ = {isa = PBXBuildFile; fileRef = EFCC6C8D20FE914000A2321B /* CanvasActivityRecord.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		F12171F516A8CED2000053CA /* WebVTTElement.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F12171F316A8BC63000053CA /* WebVTTElement.cpp */; };
> 		F12171F616A8CF0B000053CA /* WebVTTElement.h in Headers */ = {isa = PBXBuildFile; fileRef = F12171F416A8BC63000053CA /* WebVTTElement.h */; };
> 		F344C7141125B82C00F26EEE /* InspectorFrontendClient.h in Headers */ = {isa = PBXBuildFile; fileRef = F344C7121125B82C00F26EEE /* InspectorFrontendClient.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -7170,7 +7172,6 @@
> 		3FFFF9AC159D9B060020BBD5 /* ViewportStyleResolver.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ViewportStyleResolver.h; sourceTree = "<group>"; };
> 		4107908A1FC3E4F20061B27A /* ClientOrigin.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ClientOrigin.h; sourceTree = "<group>"; };
> 		410B7E711045FAB000D8224F /* JSMessageEventCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSMessageEventCustom.cpp; sourceTree = "<group>"; };
>-		D2CDB5ED638F43AF86F07AA2 /* JSErrorEventCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSErrorEventCustom.cpp; sourceTree = "<group>"; };
> 		41103AA71E39790A00769F03 /* RealtimeOutgoingAudioSource.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = RealtimeOutgoingAudioSource.cpp; sourceTree = "<group>"; };
> 		41103AA71E39790A00769F14 /* RealtimeOutgoingAudioSourceCocoa.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = RealtimeOutgoingAudioSourceCocoa.cpp; sourceTree = "<group>"; };
> 		41103AA81E39790A00769F03 /* RealtimeOutgoingAudioSource.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RealtimeOutgoingAudioSource.h; sourceTree = "<group>"; };
>@@ -9256,7 +9257,6 @@
> 		71EFCEDA202B388F00D7C411 /* AnimationEffectReadOnly.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = AnimationEffectReadOnly.cpp; sourceTree = "<group>"; };
> 		71EFCEDB202B389000D7C411 /* KeyframeEffectReadOnly.idl */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = KeyframeEffectReadOnly.idl; sourceTree = "<group>"; };
> 		71EFCEDE202B39C700D7C411 /* JSAnimationEffectReadOnlyCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSAnimationEffectReadOnlyCustom.cpp; sourceTree = "<group>"; };
>-		A4A69B8BB91B49D0A804C31D /* JSPromiseRejectionEventCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSPromiseRejectionEventCustom.cpp; sourceTree = "<group>"; };
> 		71EFCEDF202B3AA100D7C411 /* JSKeyframeEffectReadOnly.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSKeyframeEffectReadOnly.h; sourceTree = "<group>"; };
> 		71EFCEE0202B3AA300D7C411 /* JSKeyframeEffectReadOnly.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSKeyframeEffectReadOnly.cpp; sourceTree = "<group>"; };
> 		71F936F71DD4F99B00922CC7 /* tracks-support.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = "tracks-support.js"; sourceTree = "<group>"; };
>@@ -11178,6 +11178,7 @@
> 		A454424D119B3687009BE912 /* RenderMeter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RenderMeter.h; sourceTree = "<group>"; };
> 		A456FA2411AD4A830020B420 /* LabelsNodeList.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = LabelsNodeList.cpp; sourceTree = "<group>"; };
> 		A456FA2511AD4A830020B420 /* LabelsNodeList.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LabelsNodeList.h; sourceTree = "<group>"; };
>+		A4A69B8BB91B49D0A804C31D /* JSPromiseRejectionEventCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSPromiseRejectionEventCustom.cpp; sourceTree = "<group>"; };
> 		A501920C132EBF2E008BFE55 /* Autocapitalize.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Autocapitalize.h; sourceTree = "<group>"; };
> 		A5071E821C56D079009951BE /* ResourceUsageData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ResourceUsageData.h; sourceTree = "<group>"; };
> 		A5071E831C56D079009951BE /* ResourceUsageThread.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ResourceUsageThread.cpp; sourceTree = "<group>"; };
>@@ -13580,6 +13581,7 @@
> 		D0EDA773143E303C0028E383 /* CachedRawResource.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CachedRawResource.h; sourceTree = "<group>"; };
> 		D0FF2A5B11F8C45A007E74E0 /* PingLoader.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PingLoader.cpp; sourceTree = "<group>"; };
> 		D0FF2A5C11F8C45A007E74E0 /* PingLoader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PingLoader.h; sourceTree = "<group>"; };
>+		D2CDB5ED638F43AF86F07AA2 /* JSErrorEventCustom.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSErrorEventCustom.cpp; sourceTree = "<group>"; };
> 		D302754512A5FE84004BD828 /* RenderDetailsMarker.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = RenderDetailsMarker.cpp; sourceTree = "<group>"; };
> 		D302754612A5FE84004BD828 /* RenderDetailsMarker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RenderDetailsMarker.h; sourceTree = "<group>"; };
> 		D359D786129CA2710006E5D2 /* HTMLDetailsElement.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = HTMLDetailsElement.cpp; sourceTree = "<group>"; };
>@@ -14531,6 +14533,8 @@
> 		ED501DC50B249F2900AE18D9 /* EditorMac.mm */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.objcpp; path = EditorMac.mm; sourceTree = "<group>"; };
> 		EDE3A4FF0C7A430600956A37 /* ColorMac.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ColorMac.h; sourceTree = "<group>"; };
> 		EDEC98020AED7E170059137F /* WebCorePrefix.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = WebCorePrefix.h; sourceTree = "<group>"; tabWidth = 4; usesTabs = 0; };
>+		EFB7287B2124C73D005C2558 /* CanvasActivityRecord.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = CanvasActivityRecord.cpp; sourceTree = "<group>"; };
>+		EFCC6C8D20FE914000A2321B /* CanvasActivityRecord.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CanvasActivityRecord.h; sourceTree = "<group>"; };
> 		F12171F316A8BC63000053CA /* WebVTTElement.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebVTTElement.cpp; sourceTree = "<group>"; };
> 		F12171F416A8BC63000053CA /* WebVTTElement.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebVTTElement.h; sourceTree = "<group>"; };
> 		F344C7121125B82C00F26EEE /* InspectorFrontendClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = InspectorFrontendClient.h; sourceTree = "<group>"; };
>@@ -24296,6 +24300,8 @@
> 				93A1EAA20A5634D8006960A0 /* mac */,
> 				63152D181F9531EE007A5E4B /* ApplicationManifestLoader.cpp */,
> 				63152D171F9531EE007A5E4B /* ApplicationManifestLoader.h */,
>+				EFB7287B2124C73D005C2558 /* CanvasActivityRecord.cpp */,
>+				EFCC6C8D20FE914000A2321B /* CanvasActivityRecord.h */,
> 				A149786C1ABAF33800CEF7E4 /* ContentFilter.cpp */,
> 				A149786D1ABAF33800CEF7E4 /* ContentFilter.h */,
> 				E1424C91164B52C800F32D40 /* CookieJar.cpp */,
>@@ -27379,6 +27385,7 @@
> 				7C1E8D011ED0C2DA00B1D983 /* CallbackResult.h in Headers */,
> 				952076051F2675FE007D2AAB /* CallTracer.h in Headers */,
> 				952076061F2675FE007D2AAB /* CallTracerTypes.h in Headers */,
>+				EFCC6C8F20FE914400A2321B /* CanvasActivityRecord.h in Headers */,
> 				313171561FB079E5008D91FC /* CanvasBase.h in Headers */,
> 				415CDAF51E6B8F8B004F11EE /* CanvasCaptureMediaStreamTrack.h in Headers */,
> 				7C193BBB1F5E0EED0088F3E6 /* CanvasDirection.h in Headers */,
>@@ -31510,6 +31517,7 @@
> 				070363E7181A1CDC00C074A5 /* AVVideoCaptureSource.mm in Sources */,
> 				7A45032F18DB717200377B34 /* BufferedLineReader.cpp in Sources */,
> 				0753860214489E9800B78452 /* CachedTextTrack.cpp in Sources */,
>+				EFB728812124CA38005C2558 /* CanvasActivityRecord.cpp in Sources */,
> 				CDF4B7151E00B7E500E235A2 /* CDM.cpp in Sources */,
> 				CD94A5DD1F71D5D800F525C5 /* CDMClearKey.cpp in Sources */,
> 				CDB7045B1F7465A1003923DF /* CDMFairPlayStreaming.cpp in Sources */,
>diff --git a/Source/WebCore/css/CSSFontFaceSource.cpp b/Source/WebCore/css/CSSFontFaceSource.cpp
>index 4d603b5769587cad4cd6669ad2a65ba37baeb8e8..4f532d69d3cc31531ee4c5369cd8237cfe73946e 100644
>--- a/Source/WebCore/css/CSSFontFaceSource.cpp
>+++ b/Source/WebCore/css/CSSFontFaceSource.cpp
>@@ -37,6 +37,10 @@
> #include "SVGToOTFFontConversion.h"
> #include "SharedBuffer.h"
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "ResourceLoadObserver.h"
>+#endif
>+
> #if ENABLE(SVG_FONTS)
> #include "CachedSVGFont.h"
> #include "FontCustomPlatformData.h"
>@@ -181,6 +185,10 @@ void CSSFontFaceSource::load(CSSFontSelector* fontSelector)
>             fontDescription.setComputedSize(1);
>             fontDescription.setShouldAllowUserInstalledFonts(m_face.allowUserInstalledFonts());
>             success = FontCache::singleton().fontForFamily(fontDescription, m_familyNameOrURI, nullptr, nullptr, FontSelectionSpecifiedCapabilities(), true);
>+#if ENABLE(WEB_API_STATISTICS)
>+            if (auto document = fontSelector->document())
>+                ResourceLoadObserver::shared().logFontLoad(*document, m_familyNameOrURI.string(), success);
>+#endif
>         }
>         setStatus(success ? Status::Success : Status::Failure);
>     }
>diff --git a/Source/WebCore/css/CSSFontSelector.cpp b/Source/WebCore/css/CSSFontSelector.cpp
>index 9ad88a2a4df62a851786c0f34a9541d0a3cffdcc..a1bfa0d844d4f97e123781590be03edb114a8efc 100644
>--- a/Source/WebCore/css/CSSFontSelector.cpp
>+++ b/Source/WebCore/css/CSSFontSelector.cpp
>@@ -54,6 +54,10 @@
> #include <wtf/SetForScope.h>
> #include <wtf/text/AtomicString.h>
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "ResourceLoadObserver.h"
>+#endif
>+
> namespace WebCore {
> 
> static unsigned fontSelectorId;
>@@ -304,13 +308,22 @@ FontRanges CSSFontSelector::fontRangesForFamily(const FontDescription& fontDescr
> 
>     AtomicString familyForLookup = resolveGenericFamilyFirst ? resolveGenericFamily(m_document, fontDescription, familyName) : familyName;
>     auto* face = m_cssFontFaceSet->fontFace(fontDescription.fontSelectionRequest(), familyForLookup);
>-    if (!face) {
>-        if (!resolveGenericFamilyFirst)
>-            familyForLookup = resolveGenericFamily(m_document, fontDescription, familyName);
>-        return FontRanges(FontCache::singleton().fontForFamily(fontDescription, familyForLookup));
>+    if (face) {
>+#if ENABLE(WEB_API_STATISTICS)
>+        // This logs an attempted font load by setting the loadStatus boolean to true
>+        if (m_document)
>+            ResourceLoadObserver::shared().logFontLoad(*m_document, familyName.string(), true);
>+#endif
>+        return face->fontRanges(fontDescription);
>     }
>-
>-    return face->fontRanges(fontDescription);
>+    if (!resolveGenericFamilyFirst)
>+        familyForLookup = resolveGenericFamily(m_document, fontDescription, familyName);
>+    auto font = FontCache::singleton().fontForFamily(fontDescription, familyForLookup);
>+#if ENABLE(WEB_API_STATISTICS)
>+    if (m_document)
>+        ResourceLoadObserver::shared().logFontLoad(*m_document, familyName.string(), !!font);
>+#endif
>+    return FontRanges { WTFMove(font) };
> }
> 
> void CSSFontSelector::clearDocument()
>@@ -390,8 +403,13 @@ RefPtr<Font> CSSFontSelector::fallbackFontAt(const FontDescription& fontDescript
> 
>     if (!m_document->settings().fontFallbackPrefersPictographs())
>         return nullptr;
>-
>-    return FontCache::singleton().fontForFamily(fontDescription, m_document->settings().pictographFontFamily());
>+    RefPtr<Font> font = FontCache::singleton().fontForFamily(fontDescription, m_document->settings().pictographFontFamily());
>+#if ENABLE(WEB_API_STATISTICS)
>+    if (m_document)
>+        ResourceLoadObserver::shared().logFontLoad(*m_document, m_document->settings().pictographFontFamily().string(), !!font);
>+#endif
>+    
>+    return font;
> }
> 
> }
>diff --git a/Source/WebCore/html/HTMLCanvasElement.cpp b/Source/WebCore/html/HTMLCanvasElement.cpp
>index 6298643a2d96092a4cfee988dd28b6d937c5da73..8d209fb91839163904ed1e893cbd096be1b401e5 100644
>--- a/Source/WebCore/html/HTMLCanvasElement.cpp
>+++ b/Source/WebCore/html/HTMLCanvasElement.cpp
>@@ -64,6 +64,10 @@
> #include "MediaStream.h"
> #endif
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "ResourceLoadObserver.h"
>+#endif
>+
> #if ENABLE(WEBGL)
> #include "WebGLContextAttributes.h"
> #include "WebGLRenderingContext.h"
>@@ -698,6 +702,10 @@ ExceptionOr<UncachedString> HTMLCanvasElement::toDataURL(const String& mimeType,
> 
>     if (m_size.isEmpty() || !buffer())
>         return UncachedString { "data:,"_s };
>+#if ENABLE(WEB_API_STATISTICS)
>+    // Records attempt to read canvas data, regardless of whether the read is successful or not.
>+    ResourceLoadObserver::shared().logCanvasRead(document());
>+#endif
> 
>     auto encodingMIMEType = toEncodingMimeType(mimeType);
>     auto quality = qualityFromJSValue(qualityValue);
>@@ -727,6 +735,10 @@ ExceptionOr<void> HTMLCanvasElement::toBlob(ScriptExecutionContext& context, Ref
>         callback->scheduleCallback(context, nullptr);
>         return { };
>     }
>+#if ENABLE(WEB_API_STATISTICS)
>+    // Records attempt to read canvas data, regardless of whether the read is successful or not.
>+    ResourceLoadObserver::shared().logCanvasRead(document());
>+#endif
> 
>     auto encodingMIMEType = toEncodingMimeType(mimeType);
>     auto quality = qualityFromJSValue(qualityValue);
>@@ -755,8 +767,13 @@ ExceptionOr<void> HTMLCanvasElement::toBlob(ScriptExecutionContext& context, Ref
> RefPtr<ImageData> HTMLCanvasElement::getImageData()
> {
> #if ENABLE(WEBGL)
>-    if (is<WebGLRenderingContextBase>(m_context.get()))
>+    if (is<WebGLRenderingContextBase>(m_context.get())) {
>+#if ENABLE(WEB_API_STATISTICS)
>+        // Records attempt to read canvas data, regardless of whether the read is successful or not.
>+        ResourceLoadObserver::shared().logCanvasRead(document());
>+#endif
>         return downcast<WebGLRenderingContextBase>(*m_context).paintRenderingResultsToImageData();
>+    }
> #endif
>     return nullptr;
> }
>@@ -768,6 +785,10 @@ RefPtr<MediaSample> HTMLCanvasElement::toMediaSample()
>     auto* imageBuffer = buffer();
>     if (!imageBuffer)
>         return nullptr;
>+#if ENABLE(WEB_API_STATISTICS)
>+    // Records attempt to read canvas data, regardless of whether the read is successful or not.
>+    ResourceLoadObserver::shared().logCanvasRead(document());
>+#endif
> 
> #if PLATFORM(COCOA)
>     makeRenderingResultsAvailable();
>@@ -781,6 +802,10 @@ ExceptionOr<Ref<MediaStream>> HTMLCanvasElement::captureStream(ScriptExecutionCo
> {
>     if (!originClean())
>         return Exception(SecurityError, "Canvas is tainted"_s);
>+#if ENABLE(WEB_API_STATISTICS)
>+    // Records attempt to read canvas data, regardless of whether the read is successful or not.
>+    ResourceLoadObserver::shared().logCanvasRead(document());
>+#endif
> 
>     if (frameRequestRate && frameRequestRate.value() < 0)
>         return Exception(NotSupportedError, "frameRequestRate is negative"_s);
>diff --git a/Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp b/Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp
>index e27d95194819b02e9414d49bfa8faff2ea1761de..88860497462a249293d4969effa6bed0008a4c31 100644
>--- a/Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp
>+++ b/Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp
>@@ -49,6 +49,10 @@
> #include <wtf/MathExtras.h>
> #include <wtf/text/StringBuilder.h>
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "ResourceLoadObserver.h"
>+#endif
>+
> namespace WebCore {
> 
> using namespace HTMLNames;
>@@ -363,6 +367,12 @@ static void normalizeSpaces(String& text)
> 
> Ref<TextMetrics> CanvasRenderingContext2D::measureText(const String& text)
> {
>+#if ENABLE(WEB_API_STATISTICS)
>+    HTMLCanvasElement& canvas = this->canvas();
>+    ResourceLoadObserver::shared().logCanvasWriteOrMeasure(canvas.document(), text);
>+    ResourceLoadObserver::shared().logCanvasRead(canvas.document());
>+#endif
>+    
>     Ref<TextMetrics> metrics = TextMetrics::create();
> 
>     String normalizedText = text;
>@@ -451,6 +461,11 @@ FloatPoint CanvasRenderingContext2D::textOffset(float width, TextDirection direc
> 
> void CanvasRenderingContext2D::drawTextInternal(const String& text, float x, float y, bool fill, std::optional<float> maxWidth)
> {
>+#if ENABLE(WEB_API_STATISTICS)
>+    HTMLCanvasElement& canvas = this->canvas();
>+    ResourceLoadObserver::shared().logCanvasWriteOrMeasure(canvas.document(), text);
>+#endif
>+    
>     auto& fontProxy = this->fontProxy();
>     const auto& fontMetrics = fontProxy.fontMetrics();
> 
>diff --git a/Source/WebCore/loader/CanvasActivityRecord.cpp b/Source/WebCore/loader/CanvasActivityRecord.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..6b8fd225f18cc1c63fe10a553ae7dd921776f0af
>--- /dev/null
>+++ b/Source/WebCore/loader/CanvasActivityRecord.cpp
>@@ -0,0 +1,46 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#include "config.h"
>+#include "CanvasActivityRecord.h"
>+
>+#include <wtf/text/StringHash.h>
>+#include <wtf/text/WTFString.h>
>+
>+const unsigned textCapacity = 10;
>+namespace WebCore {
>+bool CanvasActivityRecord::recordWrittenOrMeasuredText(const String& text)
>+{
>+    if (textWritten.size() < textCapacity && textWritten.add(text).isNewEntry)
>+        return true;
>+    return false;
>+}
>+
>+void CanvasActivityRecord::mergeWith(const CanvasActivityRecord& otherCanvasActivityRecord)
>+{
>+    textWritten.add(otherCanvasActivityRecord.textWritten.begin(), otherCanvasActivityRecord.textWritten.end());
>+    wasDataRead |= otherCanvasActivityRecord.wasDataRead;
>+}
>+} // namespace WebCore
>diff --git a/Source/WebCore/loader/CanvasActivityRecord.h b/Source/WebCore/loader/CanvasActivityRecord.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..8cc142dd17a2989e32e1567041396b205a3e92b8
>--- /dev/null
>+++ b/Source/WebCore/loader/CanvasActivityRecord.h
>@@ -0,0 +1,57 @@
>+/*
>+ * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
>+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
>+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
>+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
>+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
>+ * THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#pragma once
>+#include <wtf/HashSet.h>
>+
>+namespace WebCore {
>+struct CanvasActivityRecord {
>+    HashSet<String> textWritten;
>+    bool wasDataRead { false };
>+    
>+    bool recordWrittenOrMeasuredText(const String&);
>+    void mergeWith(const CanvasActivityRecord&);
>+    
>+    template <class Encoder> void encode(Encoder&) const;
>+    template <class Decoder> static bool decode(Decoder&, CanvasActivityRecord&);
>+};
>+    
>+template <class Encoder>
>+void CanvasActivityRecord::encode(Encoder& encoder) const
>+{
>+    encoder << textWritten;
>+    encoder << wasDataRead;
>+}
>+
>+template <class Decoder>
>+bool CanvasActivityRecord::decode(Decoder& decoder, CanvasActivityRecord& canvasActivityRecord)
>+{
>+    if (!decoder.decode(canvasActivityRecord.textWritten))
>+        return false;
>+    if (!decoder.decode(canvasActivityRecord.wasDataRead))
>+        return false;
>+    return true;
>+}
>+}
>diff --git a/Source/WebCore/loader/ResourceLoadObserver.cpp b/Source/WebCore/loader/ResourceLoadObserver.cpp
>index 8b9836e1ce12714bed2b6c2cae26f1fa78c9a856..3e1563a6c5cff6bd2937fd6f262c473271040ddd 100644
>--- a/Source/WebCore/loader/ResourceLoadObserver.cpp
>+++ b/Source/WebCore/loader/ResourceLoadObserver.cpp
>@@ -283,6 +283,75 @@ void ResourceLoadObserver::requestStorageAccessUnderOpener(const String& domainI
> }
> #endif
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+// Web API stats
>+void ResourceLoadObserver::logFontLoad(const Document& document, const String& familyName, bool loadStatus)
>+{
>+    if (!shouldLog(document.page()))
>+        return;
>+    auto registrableDomain = primaryDomain(document.url());
>+    auto& statistics = ensureResourceStatisticsForPrimaryDomain(registrableDomain);
>+    if (!loadStatus)
>+        statistics.fontsFailedToLoad.add(familyName);
>+    statistics.fontsLoaded.add(familyName);
>+    auto mainFrameRegistrableDomain = primaryDomain(document.frame()->mainFrame().document()->url());
>+    if (statistics.topFrameRegistrableDomainsWhichAccessedWebAPIs.add(mainFrameRegistrableDomain).isNewEntry)
>+        scheduleNotificationIfNeeded();
>+}
>+    
>+void ResourceLoadObserver::logCanvasRead(const Document& document)
>+{
>+    if (!shouldLog(document.page()))
>+        return;
>+    auto registrableDomain = primaryDomain(document.url());
>+    auto& statistics = ensureResourceStatisticsForPrimaryDomain(registrableDomain);
>+    auto mainFrameRegistrableDomain = primaryDomain(document.frame()->mainFrame().document()->url());
>+    statistics.canvasActivityRecord.wasDataRead = true;
>+    if (statistics.topFrameRegistrableDomainsWhichAccessedWebAPIs.add(mainFrameRegistrableDomain).isNewEntry)
>+        scheduleNotificationIfNeeded();
>+}
>+
>+void ResourceLoadObserver::logCanvasWriteOrMeasure(const Document& document, const String& textWritten)
>+{
>+    if (!shouldLog(document.page()))
>+        return;
>+    bool shouldCallNotificationCallback = false;
>+    auto registrableDomain = primaryDomain(document.url());
>+    auto& statistics = ensureResourceStatisticsForPrimaryDomain(registrableDomain);
>+    auto mainFrameRegistrableDomain = primaryDomain(document.frame()->mainFrame().document()->url());
>+    if (statistics.canvasActivityRecord.recordWrittenOrMeasuredText(textWritten))
>+        shouldCallNotificationCallback = true;
>+    if (statistics.topFrameRegistrableDomainsWhichAccessedWebAPIs.add(mainFrameRegistrableDomain).isNewEntry)
>+        shouldCallNotificationCallback = true;
>+    if (shouldCallNotificationCallback)
>+        scheduleNotificationIfNeeded();
>+}
>+    
>+void ResourceLoadObserver::logNavigatorAPIAccessed(const Document& document, const String& functionName)
>+{
>+    if (!shouldLog(document.page()))
>+        return;
>+    auto registrableDomain = primaryDomain(document.url());
>+    auto& statistics = ensureResourceStatisticsForPrimaryDomain(registrableDomain);
>+    statistics.navigatorFunctionsAccessed.add(functionName);
>+    auto mainFrameRegistrableDomain = primaryDomain(document.frame()->mainFrame().document()->url());
>+    if (statistics.topFrameRegistrableDomainsWhichAccessedWebAPIs.add(mainFrameRegistrableDomain).isNewEntry)
>+        scheduleNotificationIfNeeded();
>+}
>+    
>+void ResourceLoadObserver::logScreenAPIAccessed(const Document& document, const String& functionName)
>+{
>+    if (!shouldLog(document.page()))
>+        return;
>+    auto registrableDomain = primaryDomain(document.url());
>+    auto& statistics = ensureResourceStatisticsForPrimaryDomain(registrableDomain);
>+    statistics.screenFunctionsAccessed.add(functionName);
>+    auto mainFrameRegistrableDomain = primaryDomain(document.frame()->mainFrame().document()->url());
>+    if (statistics.topFrameRegistrableDomainsWhichAccessedWebAPIs.add(mainFrameRegistrableDomain).isNewEntry)
>+        scheduleNotificationIfNeeded();
>+}
>+#endif
>+    
> ResourceLoadStatistics& ResourceLoadObserver::ensureResourceStatisticsForPrimaryDomain(const String& primaryDomain)
> {
>     auto addResult = m_resourceStatisticsMap.ensure(primaryDomain, [&primaryDomain] {
>diff --git a/Source/WebCore/loader/ResourceLoadObserver.h b/Source/WebCore/loader/ResourceLoadObserver.h
>index 52570a79aa8ffdcbfb9b079f375f283526193409..7f58c35a045b211c6c4ae940a5388d590f4a94d9 100644
>--- a/Source/WebCore/loader/ResourceLoadObserver.h
>+++ b/Source/WebCore/loader/ResourceLoadObserver.h
>@@ -31,6 +31,10 @@
> #include <wtf/NeverDestroyed.h>
> #include <wtf/text/WTFString.h>
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "CanvasActivityRecord.h"
>+#endif
>+
> namespace WTF {
> class Lock;
> class WorkQueue;
>@@ -57,6 +61,14 @@ public:
>     void logWebSocketLoading(const Frame*, const URL&);
>     void logUserInteractionWithReducedTimeResolution(const Document&);
>     void logWindowCreation(const URL& popupUrl, uint64_t openerPageID, Document& openerDocument);
>+    
>+#if ENABLE(WEB_API_STATISTICS)
>+    void logFontLoad(const Document&, const String& familyName, bool loadStatus);
>+    void logCanvasRead(const Document&);
>+    void logCanvasWriteOrMeasure(const Document&, const String& textWritten);
>+    void logNavigatorAPIAccessed(const Document&, const String& functionName);
>+    void logScreenAPIAccessed(const Document&, const String& functionName);
>+#endif
> 
>     WEBCORE_EXPORT String statisticsForOrigin(const String&);
> 
>diff --git a/Source/WebCore/loader/ResourceLoadStatistics.cpp b/Source/WebCore/loader/ResourceLoadStatistics.cpp
>index d75639c62c0385e655c6b91d9e9cdf0748443af4..1949330393f955a1ab1d171f84ebb582ab49221b 100644
>--- a/Source/WebCore/loader/ResourceLoadStatistics.cpp
>+++ b/Source/WebCore/loader/ResourceLoadStatistics.cpp
>@@ -59,6 +59,18 @@ static void encodeHashSet(KeyedEncoder& encoder, const String& label, const Hash
>     });
> }
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+static void encodeCanvasActivityRecord(KeyedEncoder& encoder, const String& label, const CanvasActivityRecord& canvasActivityRecord)
>+{
>+    encoder.encodeObject(label, canvasActivityRecord, [] (KeyedEncoder& encoderInner, const CanvasActivityRecord& canvasActivityRecord) {
>+        encoderInner.encodeBool("wasDataRead", canvasActivityRecord.wasDataRead);
>+        encoderInner.encodeObjects("textWritten", canvasActivityRecord.textWritten.begin(), canvasActivityRecord.textWritten.end(), [] (KeyedEncoder& encoderInner2, const String& text) {
>+            encoderInner2.encodeString("text", text);
>+        });
>+    });
>+}
>+#endif
>+
> void ResourceLoadStatistics::encode(KeyedEncoder& encoder) const
> {
>     encoder.encodeString("PrevalentResourceOrigin", highLevelDomain);
>@@ -92,6 +104,16 @@ void ResourceLoadStatistics::encode(KeyedEncoder& encoder) const
> 
>     encoder.encodeUInt32("timesAccessedAsFirstPartyDueToUserInteraction", timesAccessedAsFirstPartyDueToUserInteraction);
>     encoder.encodeUInt32("timesAccessedAsFirstPartyDueToStorageAccessAPI", timesAccessedAsFirstPartyDueToStorageAccessAPI);
>+    
>+#if ENABLE(WEB_API_STATISTICS)
>+    // Web API stats
>+    encodeHashCountedSet(encoder, "fontsFailedToLoad", fontsFailedToLoad);
>+    encodeHashCountedSet(encoder, "fontsLoaded", fontsLoaded);
>+    encodeHashCountedSet(encoder, "topFrameRegistrableDomainsWhichAccessedWebAPIs", topFrameRegistrableDomainsWhichAccessedWebAPIs);
>+    encodeCanvasActivityRecord(encoder, "canvasActivityRecord", canvasActivityRecord);
>+    encodeHashSet(encoder, "navigatorFunctionsAccessed", navigatorFunctionsAccessed);
>+    encodeHashSet(encoder, "screenFunctionsAccessed", screenFunctionsAccessed);
>+#endif
> }
> 
> static void decodeHashCountedSet(KeyedDecoder& decoder, const String& label, HashCountedSet<String>& hashCountedSet)
>@@ -122,6 +144,24 @@ static void decodeHashSet(KeyedDecoder& decoder, const String& label, HashSet<St
>     });
> }
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+static void decodeCanvasActivityRecord(KeyedDecoder& decoder, const String& label, CanvasActivityRecord& canvasActivityRecord)
>+{
>+    decoder.decodeObject(label, canvasActivityRecord, [] (KeyedDecoder& decoderInner, CanvasActivityRecord& canvasActivityRecord) {
>+        if (!decoderInner.decodeBool("wasDataRead", canvasActivityRecord.wasDataRead))
>+            return false;
>+        Vector<String> ignore;
>+        decoderInner.decodeObjects("textWritten", ignore, [&canvasActivityRecord] (KeyedDecoder& decoderInner2, String& text) {
>+            if (!decoderInner2.decodeString("text", text))
>+                return false;
>+            canvasActivityRecord.textWritten.add(text);
>+            return true;
>+        });
>+        return true;
>+    });
>+}
>+#endif
>+
> bool ResourceLoadStatistics::decode(KeyedDecoder& decoder, unsigned modelVersion)
> {
>     if (!decoder.decodeString("PrevalentResourceOrigin", highLevelDomain))
>@@ -180,6 +220,18 @@ bool ResourceLoadStatistics::decode(KeyedDecoder& decoder, unsigned modelVersion
>         if (!decoder.decodeUInt32("timesAccessedAsFirstPartyDueToStorageAccessAPI", timesAccessedAsFirstPartyDueToStorageAccessAPI))
>             timesAccessedAsFirstPartyDueToStorageAccessAPI = 0;
>     }
>+    
>+#if ENABLE(WEB_API_STATISTICS)
>+    if (modelVersion >= 13) {
>+        decodeHashCountedSet(decoder, "fontsFailedToLoad", fontsFailedToLoad);
>+        decodeHashCountedSet(decoder, "fontsLoaded", fontsLoaded);
>+        decodeHashCountedSet(decoder, "topFrameRegistrableDomainsWhichAccessedWebAPIs", topFrameRegistrableDomainsWhichAccessedWebAPIs);
>+        decodeCanvasActivityRecord(decoder, "canvasActivityRecord", canvasActivityRecord);
>+        decodeHashSet(decoder, "navigatorFunctionsAccessed", navigatorFunctionsAccessed);
>+        decodeHashSet(decoder, "screenFunctionsAccessed", screenFunctionsAccessed);
>+    }
>+#endif
>+    
>     return true;
> }
> 
>@@ -268,6 +320,14 @@ String ResourceLoadStatistics::toString() const
>     appendBoolean(builder, "isMarkedForCookieBlocking", isMarkedForCookieBlocking);
>     builder.append('\n');
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+    appendHashCountedSet(builder, "fontsFailedToLoad", fontsFailedToLoad);
>+    appendHashCountedSet(builder, "fontsLoaded", fontsLoaded);
>+    appendHashCountedSet(builder, "topFrameRegistrableDomainsWhichAccessedWebAPIs", topFrameRegistrableDomainsWhichAccessedWebAPIs);
>+    appendHashSet(builder, "navigatorFunctionsAccessed", navigatorFunctionsAccessed);
>+    appendHashSet(builder, "screenFunctions", screenFunctionsAccessed);
>+#endif
>+
>     builder.append('\n');
> 
>     return builder.toString();
>@@ -330,6 +390,17 @@ void ResourceLoadStatistics::merge(const ResourceLoadStatistics& other)
>     
>     // In-memory only
>     isMarkedForCookieBlocking |= other.isMarkedForCookieBlocking;
>+
>+#if ENABLE(WEB_API_STATISTICS)
>+    mergeHashCountedSet(fontsFailedToLoad, other.fontsFailedToLoad);
>+    mergeHashCountedSet(fontsLoaded, other.fontsLoaded);
>+    mergeHashCountedSet(topFrameRegistrableDomainsWhichAccessedWebAPIs, other.topFrameRegistrableDomainsWhichAccessedWebAPIs);
>+    
>+    canvasActivityRecord.mergeWith(other.canvasActivityRecord);
>+    
>+    navigatorFunctionsAccessed.add(other.navigatorFunctionsAccessed.begin(), other.navigatorFunctionsAccessed.end());
>+    screenFunctionsAccessed.add(other.screenFunctionsAccessed.begin(), other.screenFunctionsAccessed.end());
>+#endif
> }
> 
> String ResourceLoadStatistics::primaryDomain(const URL& url)
>diff --git a/Source/WebCore/loader/ResourceLoadStatistics.h b/Source/WebCore/loader/ResourceLoadStatistics.h
>index eb9c7b6906493dd9e78b45d8c1b87e7431d9b033..7a314ed22d07db9333421ed9eb8b4af0c865323c 100644
>--- a/Source/WebCore/loader/ResourceLoadStatistics.h
>+++ b/Source/WebCore/loader/ResourceLoadStatistics.h
>@@ -32,6 +32,10 @@
> #include <wtf/text/StringHash.h>
> #include <wtf/text/WTFString.h>
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "CanvasActivityRecord.h"
>+#endif
>+
> namespace WebCore {
> 
> class KeyedDecoder;
>@@ -97,6 +101,17 @@ struct ResourceLoadStatistics {
> 
>     // In-memory only
>     bool isMarkedForCookieBlocking { false };
>+    
>+#if ENABLE(WEB_API_STATISTICS)
>+    // This set represents the registrable domain of the top frame where web API
>+    // were used in the top frame or one of its subframes.
>+    HashCountedSet<String> topFrameRegistrableDomainsWhichAccessedWebAPIs;
>+    HashCountedSet<String> fontsFailedToLoad;
>+    HashCountedSet<String> fontsLoaded;
>+    CanvasActivityRecord canvasActivityRecord;
>+    HashSet<String> navigatorFunctionsAccessed;
>+    HashSet<String> screenFunctionsAccessed;
>+#endif
> };
> 
> } // namespace WebCore
>diff --git a/Source/WebCore/page/Navigator.cpp b/Source/WebCore/page/Navigator.cpp
>index 78098006b72bc17a6d159fd2ad18dc7f773b659c..a2bfe04378449f608aa886324195ff565300271c 100644
>--- a/Source/WebCore/page/Navigator.cpp
>+++ b/Source/WebCore/page/Navigator.cpp
>@@ -41,6 +41,9 @@
> #include <wtf/Language.h>
> #include <wtf/StdLibExtras.h>
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "ResourceLoadObserver.h"
>+#endif
> 
> namespace WebCore {
> using namespace WTF;
>@@ -71,6 +74,9 @@ String Navigator::appVersion() const
> {
>     if (!m_frame)
>         return String();
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logNavigatorAPIAccessed(*m_frame->document(), "appVersion");
>+#endif
>     String appVersion = NavigatorBase::appVersion();
>     if (shouldHideFourDot(*m_frame))
>         appVersion.replace("4.", "4_");
>@@ -79,7 +85,12 @@ String Navigator::appVersion() const
> 
> const String& Navigator::userAgent() const
> {
>-    if (m_userAgent.isNull() && m_frame && m_frame->page())
>+    if (!m_frame || !m_frame->page())
>+        return m_userAgent;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logNavigatorAPIAccessed(*m_frame->document(), "userAgent");
>+#endif
>+    if (m_userAgent.isNull())
>         m_userAgent = m_frame->loader().userAgent(m_frame->document()->url());
>     return m_userAgent;
> }
>@@ -96,6 +107,10 @@ bool Navigator::onLine() const
> 
> DOMPluginArray& Navigator::plugins()
> {
>+#if ENABLE(WEB_API_STATISTICS)
>+    if (m_frame)
>+        ResourceLoadObserver::shared().logNavigatorAPIAccessed(*m_frame->document(), "plugins");
>+#endif
>     if (!m_plugins)
>         m_plugins = DOMPluginArray::create(m_frame);
>     return *m_plugins;
>@@ -103,6 +118,10 @@ DOMPluginArray& Navigator::plugins()
> 
> DOMMimeTypeArray& Navigator::mimeTypes()
> {
>+#if ENABLE(WEB_API_STATISTICS)
>+    if (m_frame)
>+        ResourceLoadObserver::shared().logNavigatorAPIAccessed(*m_frame->document(), "mimeTypes");
>+#endif
>     if (!m_mimeTypes)
>         m_mimeTypes = DOMMimeTypeArray::create(m_frame);
>     return *m_mimeTypes;
>@@ -112,6 +131,10 @@ bool Navigator::cookieEnabled() const
> {
>     if (!m_frame)
>         return false;
>+    
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logNavigatorAPIAccessed(*m_frame->document(), "cookieEnabled");
>+#endif
> 
>     if (m_frame->page() && !m_frame->page()->settings().cookieEnabled())
>         return false;
>@@ -127,6 +150,10 @@ bool Navigator::javaEnabled() const
> {
>     if (!m_frame)
>         return false;
>+    
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logNavigatorAPIAccessed(*m_frame->document(), "javaEnabled");
>+#endif
> 
>     if (!m_frame->settings().isJavaEnabled())
>         return false;
>diff --git a/Source/WebCore/page/Screen.cpp b/Source/WebCore/page/Screen.cpp
>index ff487d7cad06c754f00fbbd0244bdaa87ae9d2c0..4a2f759a076633d83fc473d4a278e59972230c97 100644
>--- a/Source/WebCore/page/Screen.cpp
>+++ b/Source/WebCore/page/Screen.cpp
>@@ -34,6 +34,10 @@
> #include "FrameView.h"
> #include "PlatformScreen.h"
> 
>+#if ENABLE(WEB_API_STATISTICS)
>+#include "ResourceLoadObserver.h"
>+#endif
>+
> namespace WebCore {
> 
> Screen::Screen(Frame* frame)
>@@ -45,6 +49,9 @@ unsigned Screen::height() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "height");
>+#endif
>     long height = static_cast<long>(screenRect(m_frame->view()).height());
>     return static_cast<unsigned>(height);
> }
>@@ -53,6 +60,9 @@ unsigned Screen::width() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "width");
>+#endif
>     long width = static_cast<long>(screenRect(m_frame->view()).width());
>     return static_cast<unsigned>(width);
> }
>@@ -61,6 +71,9 @@ unsigned Screen::colorDepth() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "colorDepth");
>+#endif
>     return static_cast<unsigned>(screenDepth(m_frame->view()));
> }
> 
>@@ -68,6 +81,9 @@ unsigned Screen::pixelDepth() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "pixelDepth");
>+#endif
>     return static_cast<unsigned>(screenDepth(m_frame->view()));
> }
> 
>@@ -75,6 +91,9 @@ int Screen::availLeft() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "availLeft");
>+#endif
>     return static_cast<int>(screenAvailableRect(m_frame->view()).x());
> }
> 
>@@ -82,6 +101,9 @@ int Screen::availTop() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "availTop");
>+#endif
>     return static_cast<int>(screenAvailableRect(m_frame->view()).y());
> }
> 
>@@ -89,6 +111,9 @@ unsigned Screen::availHeight() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "availHeight");
>+#endif
>     return static_cast<unsigned>(screenAvailableRect(m_frame->view()).height());
> }
> 
>@@ -96,6 +121,9 @@ unsigned Screen::availWidth() const
> {
>     if (!m_frame)
>         return 0;
>+#if ENABLE(WEB_API_STATISTICS)
>+    ResourceLoadObserver::shared().logScreenAPIAccessed(*m_frame->document(), "availWidth");
>+#endif
>     return static_cast<unsigned>(screenAvailableRect(m_frame->view()).width());
> }
> 
>diff --git a/Source/WebKit/Configurations/FeatureDefines.xcconfig b/Source/WebKit/Configurations/FeatureDefines.xcconfig
>index 41a336c75084648f7bfc607ba82245ab25568170..7a7d9ef8ddec7b03b9d9ff9b54e99fc1cb5ca6e2 100644
>--- a/Source/WebKit/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebKit/Configurations/FeatureDefines.xcconfig
>@@ -352,6 +352,8 @@ ENABLE_WEBGPU_watchos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_appletvos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_macosx = ENABLE_WEBGPU;
> 
>+ENABLE_WEB_API_STATISTICS = ENABLE_WEB_API_STATISTICS;
>+
> ENABLE_WEB_AUDIO = ENABLE_WEB_AUDIO;
> 
> ENABLE_WEB_AUTHN = $(ENABLE_WEB_AUTHN_$(WK_PLATFORM_NAME));
>@@ -368,4 +370,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_API_STATISTICS) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/WebKit/Shared/WebCoreArgumentCoders.cpp b/Source/WebKit/Shared/WebCoreArgumentCoders.cpp
>index 92d324ca7a9e2c62bbbe9c44eb329d68af0c411e..47e432da88320711fadc49cedb6cc68a1ba35063 100644
>--- a/Source/WebKit/Shared/WebCoreArgumentCoders.cpp
>+++ b/Source/WebKit/Shared/WebCoreArgumentCoders.cpp
>@@ -2623,6 +2623,18 @@ void ArgumentCoder<ResourceLoadStatistics>::encode(Encoder& encoder, const WebCo
>     encoder << statistics.isPrevalentResource;
>     encoder << statistics.isVeryPrevalentResource;
>     encoder << statistics.dataRecordsRemoved;
>+    
>+#if ENABLE(WEB_API_STATISTICS)
>+    encoder << statistics.fontsFailedToLoad;
>+    encoder << statistics.fontsLoaded;
>+    encoder << statistics.topFrameRegistrableDomainsWhichAccessedWebAPIs;
>+    
>+    encoder << statistics.canvasActivityRecord;
>+    
>+    encoder << statistics.navigatorFunctionsAccessed;
>+    encoder << statistics.screenFunctionsAccessed;
>+#endif
>+    
> }
> 
> std::optional<ResourceLoadStatistics> ArgumentCoder<ResourceLoadStatistics>::decode(Decoder& decoder)
>@@ -2682,7 +2694,26 @@ std::optional<ResourceLoadStatistics> ArgumentCoder<ResourceLoadStatistics>::dec
>     
>     if (!decoder.decode(statistics.dataRecordsRemoved))
>         return std::nullopt;
>-
>+#if ENABLE(WEB_API_STATISTICS)
>+    if (!decoder.decode(statistics.fontsFailedToLoad))
>+        return std::nullopt;
>+    
>+    if (!decoder.decode(statistics.fontsLoaded))
>+        return std::nullopt;
>+    
>+    if (!decoder.decode(statistics.topFrameRegistrableDomainsWhichAccessedWebAPIs))
>+        return std::nullopt;
>+    
>+    if (!decoder.decode(statistics.canvasActivityRecord))
>+        return std::nullopt;
>+    
>+    if (!decoder.decode(statistics.navigatorFunctionsAccessed))
>+        return std::nullopt;
>+    
>+    if (!decoder.decode(statistics.screenFunctionsAccessed))
>+        return std::nullopt;
>+#endif
>+    
>     return WTFMove(statistics);
> }
> 
>diff --git a/Source/WebKit/UIProcess/ResourceLoadStatisticsMemoryStore.cpp b/Source/WebKit/UIProcess/ResourceLoadStatisticsMemoryStore.cpp
>index 348cacd3be5115cd797ced8856ee546a31faf007..cb6a1d258d716d06348ad4d4611461b85f0c8c17 100644
>--- a/Source/WebKit/UIProcess/ResourceLoadStatisticsMemoryStore.cpp
>+++ b/Source/WebKit/UIProcess/ResourceLoadStatisticsMemoryStore.cpp
>@@ -47,7 +47,7 @@ namespace WebKit {
> 
> using namespace WebCore;
> 
>-constexpr unsigned statisticsModelVersion { 12 };
>+constexpr unsigned statisticsModelVersion { 13 };
> constexpr unsigned maxNumberOfRecursiveCallsInRedirectTraceBack { 50 };
> constexpr Seconds minimumStatisticsProcessingInterval { 5_s };
> constexpr unsigned operatingDatesWindow { 30 };
>diff --git a/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig b/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>index 41a336c75084648f7bfc607ba82245ab25568170..7a7d9ef8ddec7b03b9d9ff9b54e99fc1cb5ca6e2 100644
>--- a/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>@@ -352,6 +352,8 @@ ENABLE_WEBGPU_watchos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_appletvos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_macosx = ENABLE_WEBGPU;
> 
>+ENABLE_WEB_API_STATISTICS = ENABLE_WEB_API_STATISTICS;
>+
> ENABLE_WEB_AUDIO = ENABLE_WEB_AUDIO;
> 
> ENABLE_WEB_AUTHN = $(ENABLE_WEB_AUTHN_$(WK_PLATFORM_NAME));
>@@ -368,4 +370,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_API_STATISTICS) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index f6377dbbf9642284e586978ddfecb8571e6197e1..d7d7d7efde11dd06013fc862113934b902f2f2a6 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,15 @@
>+2018-07-18  Woodrow Wang  <woodrow_wang@apple.com>
>+
>+        Added Web API Statistics Collection
>+        https://bugs.webkit.org/show_bug.cgi?id=187773
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Added a new flag ENABLE_WEB_API_STATISTICS to wrap all code in compile time flags for when 
>+        we would like to collect various web API statistics for analysis. 
>+
>+        * TestWebKitAPI/Configurations/FeatureDefines.xcconfig:
>+
> 2018-08-15  Jonathan Bedard  <jbedard@apple.com>
> 
>         WebKitTestRunner should support watch devices
>diff --git a/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig b/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>index 41a336c75084648f7bfc607ba82245ab25568170..7a7d9ef8ddec7b03b9d9ff9b54e99fc1cb5ca6e2 100644
>--- a/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>+++ b/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>@@ -352,6 +352,8 @@ ENABLE_WEBGPU_watchos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_appletvos = ENABLE_WEBGPU;
> ENABLE_WEBGPU_macosx = ENABLE_WEBGPU;
> 
>+ENABLE_WEB_API_STATISTICS = ENABLE_WEB_API_STATISTICS;
>+
> ENABLE_WEB_AUDIO = ENABLE_WEB_AUDIO;
> 
> ENABLE_WEB_AUTHN = $(ENABLE_WEB_AUTHN_$(WK_PLATFORM_NAME));
>@@ -368,4 +370,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXPERIMENTAL_FEATURES) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_API_STATISTICS) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);

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