Attachment 361297 Details for Bug 194297 – Patch

[patch] Patch

bug-194297-20190206083311.patch (text/plain), 22.78 KB, created by youenn fablet on 2019-02-06 08:33:12 PST

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Creator: youenn fablet

Created: 2019-02-06 08:33:12 PST

Size: 22.78 KB

patch

obsolete

>Subversion Revision: 240959
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index f6fb51c05f13f20c7b913ce85939db4dd1f6f86a..08103c8f393762fb5b4ef927d66922aae506e6dc 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,32 @@
>+2019-02-05  Youenn Fablet  <youenn@apple.com>
>+
>+        Simplify applyConstraints callbacks
>+        https://bugs.webkit.org/show_bug.cgi?id=194297
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Make use of one callback for both success and failure cases.
>+        No changed of behavior.
>+
>+        * Modules/mediastream/MediaStreamTrack.cpp:
>+        (WebCore::MediaStreamTrack::applyConstraints):
>+        * platform/mediastream/MediaStreamTrackPrivate.cpp:
>+        (WebCore::MediaStreamTrackPrivate::applyConstraints):
>+        * platform/mediastream/MediaStreamTrackPrivate.h:
>+        * platform/mediastream/RealtimeMediaSource.cpp:
>+        (WebCore::RealtimeMediaSource::applyConstraints):
>+        * platform/mediastream/RealtimeMediaSource.h:
>+        * platform/mediastream/mac/AVVideoCaptureSource.mm:
>+        (WebCore::AVVideoCaptureSource::create):
>+        * platform/mediastream/mac/CoreAudioCaptureSource.cpp:
>+        (WebCore::CoreAudioCaptureSource::create):
>+        * platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.cpp:
>+        (WebCore::MockGStreamerAudioCaptureSource::applyConstraints):
>+        * platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.h:
>+        * platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.cpp:
>+        (WebCore::MockGStreamerVideoCaptureSource::applyConstraints):
>+        * platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.h:
>+
> 2019-02-04  Fujii Hironori  <Hironori.Fujii@sony.com>
> 
>         [curl] ASSERTION FAILED: !m_didNotifyResponse || m_multipartHandle
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index 4a0bc095ab2ccefeb2f58b4ce21dd8b4cee2839f..e59f79177965c54693f7e0db8a0a70d65f9a5bca 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,18 @@
>+2019-02-05  Youenn Fablet  <youenn@apple.com>
>+
>+        Simplify applyConstraints callbacks
>+        https://bugs.webkit.org/show_bug.cgi?id=194297
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * UIProcess/Cocoa/UserMediaCaptureManagerProxy.cpp:
>+        (WebKit::UserMediaCaptureManagerProxy::applyConstraints):
>+        * WebProcess/cocoa/UserMediaCaptureManager.cpp:
>+        (WebKit::UserMediaCaptureManager::Source::applyConstraintsSucceeded):
>+        (WebKit::UserMediaCaptureManager::Source::applyConstraintsFailed):
>+        (WebKit::UserMediaCaptureManager::applyConstraintsFailed):
>+        * WebProcess/cocoa/UserMediaCaptureManager.h:
>+
> 2019-02-05  Youenn Fablet  <youenn@apple.com>
> 
>         Filter out Overconstrainederror.constraint when getUserMedia is not granted
>diff --git a/Source/WebCore/Modules/mediastream/MediaStreamTrack.cpp b/Source/WebCore/Modules/mediastream/MediaStreamTrack.cpp
>index 506c145963803a2ceeb8af82bc2a175d3bb5429d..9ca77253628ea4b0f6b4b9b0e7ea0203fb44bd45 100644
>--- a/Source/WebCore/Modules/mediastream/MediaStreamTrack.cpp
>+++ b/Source/WebCore/Modules/mediastream/MediaStreamTrack.cpp
>@@ -330,19 +330,17 @@ void MediaStreamTrack::applyConstraints(const Optional<MediaTrackConstraints>& c
> {
>     m_promise = WTFMove(promise);
> 
>-    auto weakThis = makeWeakPtr(*this);
>-    auto failureHandler = [weakThis] (const String& failedConstraint, const String& message) {
>-        if (!weakThis || !weakThis->m_promise)
>+    auto completionHandler = [this, weakThis = makeWeakPtr(*this), constraints](auto&& error) mutable {
>+        if (!weakThis || !m_promise)
>             return;
>-        weakThis->m_promise->rejectType<IDLInterface<OverconstrainedError>>(OverconstrainedError::create(failedConstraint, message).get());
>-    };
>-    auto successHandler = [weakThis, constraints] () {
>-        if (!weakThis || !weakThis->m_promise)
>+        if (error) {
>+            m_promise->rejectType<IDLInterface<OverconstrainedError>>(OverconstrainedError::create(WTFMove(error->badConstraint), WTFMove(error->message)));
>             return;
>-        weakThis->m_promise->resolve();
>-        weakThis->m_constraints = constraints.valueOr(MediaTrackConstraints { });
>+        }
>+        m_promise->resolve();
>+        m_constraints = constraints.valueOr(MediaTrackConstraints { });
>     };
>-    m_private->applyConstraints(createMediaConstraints(constraints), WTFMove(successHandler), WTFMove(failureHandler));
>+    m_private->applyConstraints(createMediaConstraints(constraints), WTFMove(completionHandler));
> }
> 
> void MediaStreamTrack::addObserver(Observer& observer)
>diff --git a/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.cpp b/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.cpp
>index 95fa95ed4f94b84cd09d6f18bbfdf61d53f588f9..cc54364ce7db42f1fa878864b503aef5fc4b14e6 100644
>--- a/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.cpp
>+++ b/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.cpp
>@@ -170,9 +170,9 @@ const RealtimeMediaSourceCapabilities& MediaStreamTrackPrivate::capabilities() c
>     return m_source->capabilities();
> }
> 
>-void MediaStreamTrackPrivate::applyConstraints(const MediaConstraints& constraints, RealtimeMediaSource::SuccessHandler&& successHandler, RealtimeMediaSource::FailureHandler&& failureHandler)
>+void MediaStreamTrackPrivate::applyConstraints(const MediaConstraints& constraints, RealtimeMediaSource::ApplyConstraintsHandler&& completionHandler)
> {
>-    m_source->applyConstraints(constraints, WTFMove(successHandler), WTFMove(failureHandler));
>+    m_source->applyConstraints(constraints, WTFMove(completionHandler));
> }
> 
> AudioSourceProvider* MediaStreamTrackPrivate::audioSourceProvider()
>diff --git a/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.h b/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.h
>index d190971badaa8568278b7c6350f45ce8cc83c900..9c7f03fc677ac02a85d1d68453af568f2386278a 100644
>--- a/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.h
>+++ b/Source/WebCore/platform/mediastream/MediaStreamTrackPrivate.h
>@@ -97,7 +97,7 @@ public:
>     const RealtimeMediaSourceSettings& settings() const;
>     const RealtimeMediaSourceCapabilities& capabilities() const;
> 
>-    void applyConstraints(const MediaConstraints&, RealtimeMediaSource::SuccessHandler&&, RealtimeMediaSource::FailureHandler&&);
>+    void applyConstraints(const MediaConstraints&, RealtimeMediaSource::ApplyConstraintsHandler&&);
> 
>     AudioSourceProvider* audioSourceProvider();
> 
>diff --git a/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp b/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp
>index 96cf5d99c3bb25e29c2f6bb396c8b5b802679196..2961b65312e81d2c0d18e6fd59f4a442c1e0112b 100644
>--- a/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp
>+++ b/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp
>@@ -41,6 +41,7 @@
> #include "NotImplemented.h"
> #include "RealtimeMediaSourceCapabilities.h"
> #include "RealtimeMediaSourceCenter.h"
>+#include <wtf/CompletionHandler.h>
> #include <wtf/MainThread.h>
> #include <wtf/UUID.h>
> #include <wtf/text/StringHash.h>
>@@ -838,26 +839,22 @@ void RealtimeMediaSource::applyConstraints(const FlattenedConstraint& constraint
>     commitConfiguration();
> }
> 
>-Optional<std::pair<String, String>> RealtimeMediaSource::applyConstraints(const MediaConstraints& constraints)
>+Optional<RealtimeMediaSource::ApplyConstraintsError> RealtimeMediaSource::applyConstraints(const MediaConstraints& constraints)
> {
>     ASSERT(constraints.isValid);
> 
>     FlattenedConstraint candidates;
>     String failedConstraint;
>     if (!selectSettings(constraints, candidates, failedConstraint, SelectType::ForApplyConstraints))
>-        return { { failedConstraint, "Constraint not supported"_s } };
>+        return ApplyConstraintsError { failedConstraint, "Constraint not supported"_s };
> 
>     applyConstraints(candidates);
>-    return WTF::nullopt;
>+    return { };
> }
> 
>-void RealtimeMediaSource::applyConstraints(const MediaConstraints& constraints, SuccessHandler&& successHandler, FailureHandler&& failureHandler)
>+void RealtimeMediaSource::applyConstraints(const MediaConstraints& constraints, ApplyConstraintsHandler&& completionHandler)
> {
>-    auto result = applyConstraints(constraints);
>-    if (!result && successHandler)
>-        successHandler();
>-    else if (result && failureHandler)
>-        failureHandler(result.value().first, result.value().second);
>+    completionHandler(applyConstraints(constraints));
> }
> 
> void RealtimeMediaSource::setSize(const IntSize& size)
>diff --git a/Source/WebCore/platform/mediastream/RealtimeMediaSource.h b/Source/WebCore/platform/mediastream/RealtimeMediaSource.h
>index 8e462c7e8869ed268a90496eb7f5bde078e9b5f4..b4dc547ff72be4766bf600e9661031babc303b95 100644
>--- a/Source/WebCore/platform/mediastream/RealtimeMediaSource.h
>+++ b/Source/WebCore/platform/mediastream/RealtimeMediaSource.h
>@@ -150,10 +150,13 @@ public:
>     virtual const RealtimeMediaSourceCapabilities& capabilities() = 0;
>     virtual const RealtimeMediaSourceSettings& settings() = 0;
> 
>-    using SuccessHandler = WTF::Function<void()>;
>-    using FailureHandler = WTF::Function<void(const String& badConstraint, const String& errorString)>;
>-    virtual void applyConstraints(const MediaConstraints&, SuccessHandler&&, FailureHandler&&);
>-    Optional<std::pair<String, String>> applyConstraints(const MediaConstraints&);
>+    struct ApplyConstraintsError {
>+        String badConstraint;
>+        String message;
>+    };
>+    using ApplyConstraintsHandler = CompletionHandler<void(Optional<ApplyConstraintsError>&&)>;
>+    virtual void applyConstraints(const MediaConstraints&, ApplyConstraintsHandler&&);
>+    Optional<ApplyConstraintsError> applyConstraints(const MediaConstraints&);
> 
>     bool supportsConstraints(const MediaConstraints&, String&);
>     bool supportsConstraint(const MediaConstraint&);
>diff --git a/Source/WebCore/platform/mediastream/gstreamer/GStreamerAudioCaptureSource.cpp b/Source/WebCore/platform/mediastream/gstreamer/GStreamerAudioCaptureSource.cpp
>index 96efb9a76d86b7f8e513be8b46ae4752f5505b82..627b007711c0822b156af426adf437a022961630 100644
>--- a/Source/WebCore/platform/mediastream/gstreamer/GStreamerAudioCaptureSource.cpp
>+++ b/Source/WebCore/platform/mediastream/gstreamer/GStreamerAudioCaptureSource.cpp
>@@ -78,9 +78,8 @@ CaptureSourceOrError GStreamerAudioCaptureSource::create(String&& deviceID, Stri
>     auto source = adoptRef(*new GStreamerAudioCaptureSource(device.value(), WTFMove(hashSalt)));
> 
>     if (constraints) {
>-        auto result = source->applyConstraints(*constraints);
>-        if (result)
>-            return WTFMove(result.value().first);
>+        if (auto result = source->applyConstraints(*constraints))
>+            return WTFMove(result->badConstraint);
>     }
>     return CaptureSourceOrError(WTFMove(source));
> }
>diff --git a/Source/WebCore/platform/mediastream/gstreamer/GStreamerVideoCaptureSource.cpp b/Source/WebCore/platform/mediastream/gstreamer/GStreamerVideoCaptureSource.cpp
>index 02f2f5e150b06278bfe486929cb1ef80dc590402..fbaf52aad40746c7b071ba6cf86185b5382ecc78 100644
>--- a/Source/WebCore/platform/mediastream/gstreamer/GStreamerVideoCaptureSource.cpp
>+++ b/Source/WebCore/platform/mediastream/gstreamer/GStreamerVideoCaptureSource.cpp
>@@ -109,9 +109,8 @@ CaptureSourceOrError GStreamerVideoCaptureSource::create(String&& deviceID, Stri
>     auto source = adoptRef(*new GStreamerVideoCaptureSource(device.value(), WTFMove(hashSalt)));
> 
>     if (constraints) {
>-        auto result = source->applyConstraints(*constraints);
>-        if (result)
>-            return WTFMove(result.value().first);
>+        if (auto result = source->applyConstraints(*constraints))
>+            return WTFMove(result->badConstraint);
>     }
>     return CaptureSourceOrError(WTFMove(source));
> }
>diff --git a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.cpp b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.cpp
>index 5338eb3d93f189007ee5019e113f95edad8fad6b..0f1f739b0cf6fe0a81e0506ce58793cda4556d32 100644
>--- a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.cpp
>+++ b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.cpp
>@@ -141,15 +141,15 @@ CaptureSourceOrError MockRealtimeAudioSource::create(String&& deviceID,
>     return CaptureSourceOrError(WTFMove(source));
> }
> 
>-Optional<std::pair<String, String>> MockGStreamerAudioCaptureSource::applyConstraints(const MediaConstraints& constraints)
>+Optional<RealtimeMediaSource::ApplyConstraintsError> MockGStreamerAudioCaptureSource::applyConstraints(const MediaConstraints& constraints)
> {
>     m_wrappedSource->applyConstraints(constraints);
>     return GStreamerAudioCaptureSource::applyConstraints(constraints);
> }
> 
>-void MockGStreamerAudioCaptureSource::applyConstraints(const MediaConstraints& constraints, SuccessHandler&& successHandler, FailureHandler&& failureHandler)
>+void MockGStreamerAudioCaptureSource::applyConstraints(const MediaConstraints& constraints, ApplyConstraintsHandler&& completionHandler)
> {
>-    m_wrappedSource->applyConstraints(constraints, WTFMove(successHandler), WTFMove(failureHandler));
>+    m_wrappedSource->applyConstraints(constraints, WTFMove(completionHandler));
> }
> 
> MockGStreamerAudioCaptureSource::MockGStreamerAudioCaptureSource(String&& deviceID, String&& name, String&& hashSalt)
>diff --git a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.h b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.h
>index f332530accb256f62903d69592827c1630626b9c..f999bc25ae4b00585bb9973608554543ec5175d0 100644
>--- a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.h
>+++ b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerAudioCaptureSource.h
>@@ -32,7 +32,7 @@ public:
>     MockGStreamerAudioCaptureSource(String&& deviceID, String&& name, String&& hashSalt);
>     ~MockGStreamerAudioCaptureSource();
>     Optional<std::pair<String, String>> applyConstraints(const MediaConstraints&);
>-    void applyConstraints(const MediaConstraints&, SuccessHandler&&, FailureHandler&&) final;
>+    void applyConstraints(const MediaConstraints&, ApplyConstraintsHandler&&) final;
> 
> private:
>     void stopProducingData() final;
>diff --git a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.cpp b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.cpp
>index 0d62e4b91c6f4975966ea2cba62dcb9fa0360ca0..2c72f5b87867fa1ddddb7175370b273ecb4ab446 100644
>--- a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.cpp
>+++ b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.cpp
>@@ -107,15 +107,15 @@ MockGStreamerVideoCaptureSource::~MockGStreamerVideoCaptureSource()
>     m_wrappedSource->removeObserver(*this);
> }
> 
>-Optional<std::pair<String, String>> MockGStreamerVideoCaptureSource::applyConstraints(const MediaConstraints& constraints)
>+Optional<RealtimeMediaSource::ApplyConstraintsError> MockGStreamerVideoCaptureSource::applyConstraints(const MediaConstraints& constraints)
> {
>     m_wrappedSource->applyConstraints(constraints);
>     return GStreamerVideoCaptureSource::applyConstraints(constraints);
> }
> 
>-void MockGStreamerVideoCaptureSource::applyConstraints(const MediaConstraints& constraints, SuccessHandler&& successHandler, FailureHandler&& failureHandler)
>+void MockGStreamerVideoCaptureSource::applyConstraints(const MediaConstraints& constraints, ApplyConstraintsHandler&& completionHandler)
> {
>-    m_wrappedSource->applyConstraints(constraints, WTFMove(successHandler), WTFMove(failureHandler));
>+    m_wrappedSource->applyConstraints(constraints, WTFMove(completionHandler));
> }
> 
> const RealtimeMediaSourceSettings& MockGStreamerVideoCaptureSource::settings()
>diff --git a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.h b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.h
>index 481459d511f9a37c9f1f5b75ef45872171cad276..eedee54d088c205b84d880d6c8253356f8f0e7a0 100644
>--- a/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.h
>+++ b/Source/WebCore/platform/mediastream/gstreamer/MockGStreamerVideoCaptureSource.h
>@@ -37,7 +37,7 @@ public:
>     MockGStreamerVideoCaptureSource(String&& deviceID, String&& name, String&& hashSalt);
>     ~MockGStreamerVideoCaptureSource();
>     Optional<std::pair<String, String>> applyConstraints(const MediaConstraints&);
>-    void applyConstraints(const MediaConstraints&, SuccessHandler&&, FailureHandler&&) final;
>+    void applyConstraints(const MediaConstraints&, ApplyConstraintsHandler&&) final;
> 
> private:
>     void stopProducingData() final;
>diff --git a/Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.mm b/Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.mm
>index da78d49c6438b3a2e09ab42b8a14e343dc34d4b9..9a661c793e40bb11afde50634a5630264e0554b3 100644
>--- a/Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.mm
>+++ b/Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.mm
>@@ -164,7 +164,7 @@ CaptureSourceOrError AVVideoCaptureSource::create(String&& id, String&& hashSalt
>     if (constraints) {
>         auto result = source->applyConstraints(*constraints);
>         if (result)
>-            return WTFMove(result.value().first);
>+            return WTFMove(result.value().badConstraint);
>     }
> 
>     return CaptureSourceOrError(WTFMove(source));
>diff --git a/Source/WebCore/platform/mediastream/mac/CoreAudioCaptureSource.cpp b/Source/WebCore/platform/mediastream/mac/CoreAudioCaptureSource.cpp
>index dd13a520e7e6570a7a3fbb1675cd64bc840b152d..cc4718ecd37a3daddfab8d0ef8e15939b6a202ac 100644
>--- a/Source/WebCore/platform/mediastream/mac/CoreAudioCaptureSource.cpp
>+++ b/Source/WebCore/platform/mediastream/mac/CoreAudioCaptureSource.cpp
>@@ -740,9 +740,8 @@ CaptureSourceOrError CoreAudioCaptureSource::create(String&& deviceID, String&&
> #endif
> 
>     if (constraints) {
>-        auto result = source->applyConstraints(*constraints);
>-        if (result)
>-            return WTFMove(result.value().first);
>+        if (auto result = source->applyConstraints(*constraints))
>+            return WTFMove(result->badConstraint);
>     }
>     return CaptureSourceOrError(WTFMove(source));
> }
>diff --git a/Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.cpp b/Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.cpp
>index 056d5c342dd05b529c6f26a129b7207fe41343f7..c51cfea5dcc82a356c4e0a9bb0c0cacf1dba6ce6 100644
>--- a/Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.cpp
>+++ b/Source/WebKit/UIProcess/Cocoa/UserMediaCaptureManagerProxy.cpp
>@@ -205,7 +205,7 @@ void UserMediaCaptureManagerProxy::applyConstraints(uint64_t id, const WebCore::
>     if (!result)
>         m_process.send(Messages::UserMediaCaptureManager::ApplyConstraintsSucceeded(id, source.settings()), 0);
>     else
>-        m_process.send(Messages::UserMediaCaptureManager::ApplyConstraintsFailed(id, result.value().first, result.value().second), 0);
>+        m_process.send(Messages::UserMediaCaptureManager::ApplyConstraintsFailed(id, result->badConstraint, result->message), 0);
> }
> 
> }
>diff --git a/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.cpp b/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.cpp
>index 45b901e8ac4d908dcafbda016e53adcff8b7eaea..665253c79bd0ef6c4640cac06f8d829c6e8f84bc 100644
>--- a/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.cpp
>+++ b/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.cpp
>@@ -165,15 +165,16 @@ public:
> 
>     void applyConstraintsSucceeded(const WebCore::RealtimeMediaSourceSettings& settings)
>     {
>-        auto callbacks = m_pendingApplyConstraintsCallbacks.takeFirst();
>         setSettings(WebCore::RealtimeMediaSourceSettings(settings));
>-        callbacks.successHandler();
>+
>+        auto callback = m_pendingApplyConstraintsCallbacks.takeFirst();
>+        callback({ });
>     }
> 
>-    void applyConstraintsFailed(const String& failedConstraint, const String& errorMessage)
>+    void applyConstraintsFailed(String&& failedConstraint, String&& errorMessage)
>     {
>-        auto callbacks = m_pendingApplyConstraintsCallbacks.takeFirst();
>-        callbacks.failureHandler(failedConstraint, errorMessage);
>+        auto callback = m_pendingApplyConstraintsCallbacks.takeFirst();
>+        callback(ApplyConstraintsError { WTFMove(failedConstraint), WTFMove(errorMessage) });
>     }
> 
> private:
>@@ -186,9 +187,10 @@ private:
>     void beginConfiguration() final { }
>     void commitConfiguration() final { }
> 
>-    void applyConstraints(const WebCore::MediaConstraints& constraints, SuccessHandler&& successHandler, FailureHandler&& failureHandler) final {
>+    void applyConstraints(const WebCore::MediaConstraints& constraints, ApplyConstraintsHandler&& completionHandler) final
>+    {
>         m_manager.applyConstraints(m_id, constraints);
>-        m_pendingApplyConstraintsCallbacks.append({ WTFMove(successHandler), WTFMove(failureHandler)});
>+        m_pendingApplyConstraintsCallbacks.append(WTFMove(completionHandler));
>     }
> 
>     uint64_t m_id;
>@@ -202,11 +204,7 @@ private:
>     std::unique_ptr<ImageTransferSessionVT> m_imageTransferSession;
>     CaptureDevice::DeviceType m_deviceType { CaptureDevice::DeviceType::Unknown };
> 
>-    struct ApplyConstraintsCallback {
>-        SuccessHandler successHandler;
>-        FailureHandler failureHandler;
>-    };
>-    Deque<ApplyConstraintsCallback> m_pendingApplyConstraintsCallbacks;
>+    Deque<ApplyConstraintsHandler> m_pendingApplyConstraintsCallbacks;
> };
> 
> UserMediaCaptureManager::UserMediaCaptureManager(WebProcess& process)
>@@ -352,11 +350,11 @@ void UserMediaCaptureManager::applyConstraintsSucceeded(uint64_t id, const WebCo
>     source.applyConstraintsSucceeded(settings);
> }
> 
>-void UserMediaCaptureManager::applyConstraintsFailed(uint64_t id, const String& failedConstraint, const String& message)
>+void UserMediaCaptureManager::applyConstraintsFailed(uint64_t id, String&& failedConstraint, String&& message)
> {
>     ASSERT(m_sources.contains(id));
>     auto& source = *m_sources.get(id);
>-    source.applyConstraintsFailed(failedConstraint, message);
>+    source.applyConstraintsFailed(WTFMove(failedConstraint), WTFMove(message));
> }
> 
> }
>diff --git a/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.h b/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.h
>index ad1be7ccedd6ae4308fc4fef028c377b4a9e0bd0..fcfca9af62dbdc73c477c71969fa217e045da16d 100644
>--- a/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.h
>+++ b/Source/WebKit/WebProcess/cocoa/UserMediaCaptureManager.h
>@@ -98,7 +98,7 @@ private:
>     void setMuted(uint64_t, bool);
>     void applyConstraints(uint64_t, const WebCore::MediaConstraints&);
>     void applyConstraintsSucceeded(uint64_t, const WebCore::RealtimeMediaSourceSettings&);
>-    void applyConstraintsFailed(uint64_t, const String&, const String&);
>+    void applyConstraintsFailed(uint64_t, String&&, String&&);
> 
>     class Source;
>     friend class Source;

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Attachments on bug 194297: 361206 | 361267 | 361296 | 361297 | 361299