Attachment 357279 Details for Bug 192683 – Patch v2.1

[patch] Patch v2.1

file_192683.txt (text/plain), 84.61 KB, created by David Quesada on 2018-12-13 18:01:59 PST

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Creator: David Quesada

Created: 2018-12-13 18:01:59 PST

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patch

obsolete

>commit 97c47dba38eed74a009f146a09181dab11550d67
>Author: David Quesada <david_quesada@apple.com>
>Date:   Thu Dec 13 16:22:28 2018 -0800
>
>    Add a class to bundle download configuration parameters together
>    https://bugs.webkit.org/show_bug.cgi?id=192683
>    rdar://problem/46711066
>    
>    Reviewed by NOBODY (OOPS!).
>    
>    Source/WebKit:
>    
>    Introduce WebKit::DownloadConfiguration, a structure to hold the pieces of download-related
>    configuration - the destination path, a corresponding sandbox extension, and an "allow
>    overwrite" flag. To support potential use cases where certain aspects of the execution of
>    a download may be configurable, additional parameters could be included in this structure
>    and used where appropriate. This will require fewer tedious code changes than it would to
>    conditionally include the parameters as function arguments and class members everywhere
>    the three current pieces of configuration are passed around and stored. Methods related to
>    "deciding the destination" for a download has been renamed to reflect "deciding the
>    configuration" for the download, since they now work with DownloadConfiguration.
>    
>    This structure is exposed in Cocoa API by the _WKDownloadConfiguration class (and related
>    _WKDownloadDelegate and WKProcessPool methods that work with this class). It doesn't yet
>    expose any additional API beyond the destination path and allowOverwrite flag. This patch
>    is just setup to do so.
>    
>    * NetworkProcess/Downloads/Download.cpp:
>    (WebKit::Download::Download):
>    * NetworkProcess/Downloads/Download.h:
>    (WebKit::Download::Download):
>    * NetworkProcess/Downloads/DownloadManager.cpp:
>    (WebKit::DownloadManager::continueDecidePendingDownloadConfiguration):
>    (WebKit::DownloadManager::resumeDownload):
>    * NetworkProcess/Downloads/DownloadManager.h:
>    * NetworkProcess/Downloads/cocoa/DownloadCocoa.mm:
>    (WebKit::Download::resume):
>    * NetworkProcess/NetworkDataTask.h:
>    (WebKit::NetworkDataTask::setPendingDownloadConfiguration):
>    (WebKit::NetworkDataTask::downloadConfiguration):
>    * NetworkProcess/NetworkDataTaskBlob.cpp:
>    (WebKit::NetworkDataTaskBlob::setPendingDownloadConfiguration):
>    * NetworkProcess/NetworkDataTaskBlob.h:
>    * NetworkProcess/NetworkProcess.cpp:
>    (WebKit::NetworkProcess::resumeDownload):
>    (WebKit::NetworkProcess::findPendingDownloadLocation):
>    (WebKit::NetworkProcess::continueDecidePendingDownloadConfiguration):
>    * NetworkProcess/NetworkProcess.h:
>    * NetworkProcess/NetworkProcess.messages.in:
>    * NetworkProcess/cocoa/NetworkDataTaskCocoa.h:
>    * NetworkProcess/cocoa/NetworkDataTaskCocoa.mm:
>    (WebKit::NetworkDataTaskCocoa::setPendingDownloadConfiguration):
>    * NetworkProcess/cocoa/NetworkSessionCocoa.mm:
>    (-[WKNetworkSessionDelegate URLSession:dataTask:didBecomeDownloadTask:]):
>    * NetworkProcess/soup/NetworkDataTaskSoup.cpp:
>    (WebKit::NetworkDataTaskSoup::setPendingDownloadConfiguration):
>    (WebKit::NetworkDataTaskSoup::setPendingDownloadLocation): Deleted.
>    * NetworkProcess/soup/NetworkDataTaskSoup.h:
>    * Shared/DownloadConfiguration.cpp: Added.
>    (WebKit::DownloadConfiguration::encode const):
>    (WebKit::DownloadConfiguration::decode):
>    * Shared/DownloadConfiguration.h: Added.
>    (WebKit::DownloadConfiguration::DownloadConfiguration):
>    * Sources.txt:
>    * SourcesCocoa.txt:
>    * UIProcess/API/APIDownloadClient.h:
>    (API::DownloadClient::decideConfigurationWithSuggestedFilename):
>    * UIProcess/API/C/WKContext.cpp:
>    (WKContextSetDownloadClient):
>    (WKContextResumeDownload):
>    * UIProcess/API/Cocoa/WKProcessPool.mm:
>    (-[WKProcessPool _resumeDownloadFromData:path:originatingWebView:]):
>    (-[WKProcessPool _resumeDownloadFromData:originatingWebView:configuration:]):
>    * UIProcess/API/Cocoa/WKProcessPoolPrivate.h:
>    * UIProcess/API/Cocoa/_WKDownloadConfiguration.h: Added.
>    * UIProcess/API/Cocoa/_WKDownloadConfiguration.mm: Added.
>    (checkURLArgument):
>    (-[_WKDownloadConfiguration destination]):
>    (-[_WKDownloadConfiguration setDestination:]):
>    (-[_WKDownloadConfiguration _downloadConfiguration]):
>    * UIProcess/API/Cocoa/_WKDownloadConfigurationInternal.h: Added.
>    * UIProcess/API/Cocoa/_WKDownloadDelegate.h:
>    * UIProcess/API/glib/WebKitDownloadClient.cpp:
>    * UIProcess/Cocoa/DownloadClient.h:
>    * UIProcess/Cocoa/DownloadClient.mm:
>    (WebKit::DownloadClient::DownloadClient):
>    (WebKit::DownloadClient::decideConfigurationWithSuggestedFilename):
>        Consult the new _WKDownloadDelegate method that allows specifying a _WKDownloadConfiguration.
>    * UIProcess/Downloads/DownloadProxy.cpp:
>    (WebKit::DownloadProxy::decideConfigurationWithSuggestedFilenameAsync):
>        Drive-by fixup to r238381. Move the m_processPool nil-check to the top of the
>        completion handler. There's no point in creating a sandbox extension for the destination
>        file if we don't a process pool (therefore a network process) to send it to.
>    * UIProcess/Downloads/DownloadProxy.h:
>    * UIProcess/Downloads/DownloadProxy.messages.in:
>    * UIProcess/WebProcessPool.cpp:
>    (WebKit::WebProcessPool::resumeDownload):
>    * UIProcess/WebProcessPool.h:
>    * WebKit.xcodeproj/project.pbxproj:
>    
>    Tools:
>    
>    * TestWebKitAPI/Tests/WebKitCocoa/Download.mm:
>    (-[ConfigurationDecidingDownloadDelegate _download:decideConfigurationWithSuggestedFilename:completionHandler:]):
>    (-[ConfigurationDecidingDownloadDelegate _downloadDidFinish:]):
>    (TEST):
>        Add a simple API test for configuring a download via the _WKDownloadDelegate method
>        that asks for a _WKDownloadConfiguration.
>
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index b538a9d67b0..2893cacd580 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,99 @@
>+2018-12-13  David Quesada  <david_quesada@apple.com>
>+
>+        Add a class to bundle download configuration parameters together
>+        https://bugs.webkit.org/show_bug.cgi?id=192683
>+        rdar://problem/46711066
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Introduce WebKit::DownloadConfiguration, a structure to hold the pieces of download-related
>+        configuration - the destination path, a corresponding sandbox extension, and an "allow
>+        overwrite" flag. To support potential use cases where certain aspects of the execution of
>+        a download may be configurable, additional parameters could be included in this structure
>+        and used where appropriate. This will require fewer tedious code changes than it would to
>+        conditionally include the parameters as function arguments and class members everywhere
>+        the three current pieces of configuration are passed around and stored. Methods related to
>+        "deciding the destination" for a download has been renamed to reflect "deciding the
>+        configuration" for the download, since they now work with DownloadConfiguration.
>+
>+        This structure is exposed in Cocoa API by the _WKDownloadConfiguration class (and related
>+        _WKDownloadDelegate and WKProcessPool methods that work with this class). It doesn't yet
>+        expose any additional API beyond the destination path and allowOverwrite flag. This patch
>+        is just setup to do so.
>+
>+        * NetworkProcess/Downloads/Download.cpp:
>+        (WebKit::Download::Download):
>+        * NetworkProcess/Downloads/Download.h:
>+        (WebKit::Download::Download):
>+        * NetworkProcess/Downloads/DownloadManager.cpp:
>+        (WebKit::DownloadManager::continueDecidePendingDownloadConfiguration):
>+        (WebKit::DownloadManager::resumeDownload):
>+        * NetworkProcess/Downloads/DownloadManager.h:
>+        * NetworkProcess/Downloads/cocoa/DownloadCocoa.mm:
>+        (WebKit::Download::resume):
>+        * NetworkProcess/NetworkDataTask.h:
>+        (WebKit::NetworkDataTask::setPendingDownloadConfiguration):
>+        (WebKit::NetworkDataTask::downloadConfiguration):
>+        * NetworkProcess/NetworkDataTaskBlob.cpp:
>+        (WebKit::NetworkDataTaskBlob::setPendingDownloadConfiguration):
>+        * NetworkProcess/NetworkDataTaskBlob.h:
>+        * NetworkProcess/NetworkProcess.cpp:
>+        (WebKit::NetworkProcess::resumeDownload):
>+        (WebKit::NetworkProcess::findPendingDownloadLocation):
>+        (WebKit::NetworkProcess::continueDecidePendingDownloadConfiguration):
>+        * NetworkProcess/NetworkProcess.h:
>+        * NetworkProcess/NetworkProcess.messages.in:
>+        * NetworkProcess/cocoa/NetworkDataTaskCocoa.h:
>+        * NetworkProcess/cocoa/NetworkDataTaskCocoa.mm:
>+        (WebKit::NetworkDataTaskCocoa::setPendingDownloadConfiguration):
>+        * NetworkProcess/cocoa/NetworkSessionCocoa.mm:
>+        (-[WKNetworkSessionDelegate URLSession:dataTask:didBecomeDownloadTask:]):
>+        * NetworkProcess/soup/NetworkDataTaskSoup.cpp:
>+        (WebKit::NetworkDataTaskSoup::setPendingDownloadConfiguration):
>+        (WebKit::NetworkDataTaskSoup::setPendingDownloadLocation): Deleted.
>+        * NetworkProcess/soup/NetworkDataTaskSoup.h:
>+        * Shared/DownloadConfiguration.cpp: Added.
>+        (WebKit::DownloadConfiguration::encode const):
>+        (WebKit::DownloadConfiguration::decode):
>+        * Shared/DownloadConfiguration.h: Added.
>+        (WebKit::DownloadConfiguration::DownloadConfiguration):
>+        * Sources.txt:
>+        * SourcesCocoa.txt:
>+        * UIProcess/API/APIDownloadClient.h:
>+        (API::DownloadClient::decideConfigurationWithSuggestedFilename):
>+        * UIProcess/API/C/WKContext.cpp:
>+        (WKContextSetDownloadClient):
>+        (WKContextResumeDownload):
>+        * UIProcess/API/Cocoa/WKProcessPool.mm:
>+        (-[WKProcessPool _resumeDownloadFromData:path:originatingWebView:]):
>+        (-[WKProcessPool _resumeDownloadFromData:originatingWebView:configuration:]):
>+        * UIProcess/API/Cocoa/WKProcessPoolPrivate.h:
>+        * UIProcess/API/Cocoa/_WKDownloadConfiguration.h: Added.
>+        * UIProcess/API/Cocoa/_WKDownloadConfiguration.mm: Added.
>+        (checkURLArgument):
>+        (-[_WKDownloadConfiguration destination]):
>+        (-[_WKDownloadConfiguration setDestination:]):
>+        (-[_WKDownloadConfiguration _downloadConfiguration]):
>+        * UIProcess/API/Cocoa/_WKDownloadConfigurationInternal.h: Added.
>+        * UIProcess/API/Cocoa/_WKDownloadDelegate.h:
>+        * UIProcess/API/glib/WebKitDownloadClient.cpp:
>+        * UIProcess/Cocoa/DownloadClient.h:
>+        * UIProcess/Cocoa/DownloadClient.mm:
>+        (WebKit::DownloadClient::DownloadClient):
>+        (WebKit::DownloadClient::decideConfigurationWithSuggestedFilename):
>+            Consult the new _WKDownloadDelegate method that allows specifying a _WKDownloadConfiguration.
>+        * UIProcess/Downloads/DownloadProxy.cpp:
>+        (WebKit::DownloadProxy::decideConfigurationWithSuggestedFilenameAsync):
>+            Drive-by fixup to r238381. Move the m_processPool nil-check to the top of the
>+            completion handler. There's no point in creating a sandbox extension for the destination
>+            file if we don't a process pool (therefore a network process) to send it to.
>+        * UIProcess/Downloads/DownloadProxy.h:
>+        * UIProcess/Downloads/DownloadProxy.messages.in:
>+        * UIProcess/WebProcessPool.cpp:
>+        (WebKit::WebProcessPool::resumeDownload):
>+        * UIProcess/WebProcessPool.h:
>+        * WebKit.xcodeproj/project.pbxproj:
>+
> 2018-12-13  Chris Dumez  <cdumez@apple.com>
> 
>         [PSON] We should not need to navigate to 'about:blank' to suspend pages
>diff --git a/Source/WebKit/NetworkProcess/Downloads/Download.cpp b/Source/WebKit/NetworkProcess/Downloads/Download.cpp
>index 177f9ba49c3..04428bd9355 100644
>--- a/Source/WebKit/NetworkProcess/Downloads/Download.cpp
>+++ b/Source/WebKit/NetworkProcess/Downloads/Download.cpp
>@@ -49,9 +49,10 @@
> namespace WebKit {
> using namespace WebCore;
> 
>-Download::Download(DownloadManager& downloadManager, DownloadID downloadID, NetworkDataTask& download, const PAL::SessionID& sessionID, const String& suggestedName)
>+Download::Download(DownloadManager& downloadManager, DownloadID downloadID, NetworkDataTask& download, const PAL::SessionID& sessionID, const String& suggestedName, DownloadConfiguration&& downloadConfiguration)
>     : m_downloadManager(downloadManager)
>     , m_downloadID(downloadID)
>+    , m_downloadConfiguration(WTFMove(downloadConfiguration))
>     , m_download(&download)
>     , m_sessionID(sessionID)
>     , m_suggestedName(suggestedName)
>@@ -62,9 +63,10 @@ Download::Download(DownloadManager& downloadManager, DownloadID downloadID, Netw
> }
> 
> #if PLATFORM(COCOA)
>-Download::Download(DownloadManager& downloadManager, DownloadID downloadID, NSURLSessionDownloadTask* download, const PAL::SessionID& sessionID, const String& suggestedName)
>+Download::Download(DownloadManager& downloadManager, DownloadID downloadID, NSURLSessionDownloadTask* download, const PAL::SessionID& sessionID, const String& suggestedName, DownloadConfiguration&& downloadConfiguration)
>     : m_downloadManager(downloadManager)
>     , m_downloadID(downloadID)
>+    , m_downloadConfiguration(WTFMove(downloadConfiguration))
>     , m_downloadTask(download)
>     , m_sessionID(sessionID)
>     , m_suggestedName(suggestedName)
>diff --git a/Source/WebKit/NetworkProcess/Downloads/Download.h b/Source/WebKit/NetworkProcess/Downloads/Download.h
>index d8fbdd1d39d..1226f40231b 100644
>--- a/Source/WebKit/NetworkProcess/Downloads/Download.h
>+++ b/Source/WebKit/NetworkProcess/Downloads/Download.h
>@@ -65,14 +65,14 @@ class WebPage;
> class Download : public IPC::MessageSender {
>     WTF_MAKE_NONCOPYABLE(Download); WTF_MAKE_FAST_ALLOCATED;
> public:
>-    Download(DownloadManager&, DownloadID, NetworkDataTask&, const PAL::SessionID& sessionID, const String& suggestedFilename = { });
>+    Download(DownloadManager&, DownloadID, NetworkDataTask&, const PAL::SessionID& sessionID, const String& suggestedFilename = { }, DownloadConfiguration&& = { });
> #if PLATFORM(COCOA)
>-    Download(DownloadManager&, DownloadID, NSURLSessionDownloadTask*, const PAL::SessionID& sessionID, const String& suggestedFilename = { });
>+    Download(DownloadManager&, DownloadID, NSURLSessionDownloadTask*, const PAL::SessionID& sessionID, const String& suggestedFilename = { }, DownloadConfiguration&& = { });
> #endif
> 
>     ~Download();
> 
>-    void resume(const IPC::DataReference& resumeData, const String& path, SandboxExtension::Handle&&);
>+    void resume(const IPC::DataReference& resumeData);
>     void cancel();
> #if PLATFORM(COCOA)
>     void publishProgress(const URL&, SandboxExtension::Handle&&);
>@@ -101,6 +101,7 @@ private:
> 
>     DownloadManager& m_downloadManager;
>     DownloadID m_downloadID;
>+    DownloadConfiguration m_downloadConfiguration;
> 
>     Vector<RefPtr<WebCore::BlobDataFileReference>> m_blobFileReferences;
>     RefPtr<SandboxExtension> m_sandboxExtension;
>diff --git a/Source/WebKit/NetworkProcess/Downloads/DownloadManager.cpp b/Source/WebKit/NetworkProcess/Downloads/DownloadManager.cpp
>index 72cd7e1fe71..c07155ba549 100644
>--- a/Source/WebKit/NetworkProcess/Downloads/DownloadManager.cpp
>+++ b/Source/WebKit/NetworkProcess/Downloads/DownloadManager.cpp
>@@ -95,7 +95,7 @@ void DownloadManager::convertNetworkLoadToDownload(DownloadID downloadID, std::u
>     m_pendingDownloads.add(downloadID, std::make_unique<PendingDownload>(WTFMove(networkLoad), WTFMove(completionHandler), downloadID, request, response));
> }
> 
>-void DownloadManager::continueDecidePendingDownloadDestination(DownloadID downloadID, String destination, SandboxExtension::Handle&& sandboxExtensionHandle, bool allowOverwrite)
>+void DownloadManager::continueDecidePendingDownloadConfiguration(DownloadID downloadID, DownloadConfiguration&& configuration)
> {
>     if (m_downloadsWaitingForDestination.contains(downloadID)) {
>         auto pair = m_downloadsWaitingForDestination.take(downloadID);
>@@ -105,7 +105,7 @@ void DownloadManager::continueDecidePendingDownloadDestination(DownloadID downlo
>         ASSERT(completionHandler);
>         ASSERT(m_pendingDownloads.contains(downloadID));
> 
>-        networkDataTask->setPendingDownloadLocation(destination, WTFMove(sandboxExtensionHandle), allowOverwrite);
>+        networkDataTask->setPendingDownloadConfiguration(WTFMove(configuration));
>         completionHandler(PolicyAction::Download);
>         if (networkDataTask->state() == NetworkDataTask::State::Canceling || networkDataTask->state() == NetworkDataTask::State::Completed)
>             return;
>@@ -120,14 +120,14 @@ void DownloadManager::continueDecidePendingDownloadDestination(DownloadID downlo
>     }
> }
> 
>-void DownloadManager::resumeDownload(PAL::SessionID sessionID, DownloadID downloadID, const IPC::DataReference& resumeData, const String& path, SandboxExtension::Handle&& sandboxExtensionHandle)
>+void DownloadManager::resumeDownload(PAL::SessionID sessionID, DownloadID downloadID, const IPC::DataReference& resumeData, DownloadConfiguration&& configuration)
> {
> #if !PLATFORM(COCOA)
>     notImplemented();
> #else
>-    auto download = std::make_unique<Download>(*this, downloadID, nullptr, sessionID);
>+    auto download = std::make_unique<Download>(*this, downloadID, nullptr, sessionID, String { }, WTFMove(configuration));
> 
>-    download->resume(resumeData, path, WTFMove(sandboxExtensionHandle));
>+    download->resume(resumeData);
>     ASSERT(!m_downloads.contains(downloadID));
>     m_downloads.add(downloadID, WTFMove(download));
> #endif
>diff --git a/Source/WebKit/NetworkProcess/Downloads/DownloadManager.h b/Source/WebKit/NetworkProcess/Downloads/DownloadManager.h
>index fbad888e079..f07dfe55c94 100644
>--- a/Source/WebKit/NetworkProcess/Downloads/DownloadManager.h
>+++ b/Source/WebKit/NetworkProcess/Downloads/DownloadManager.h
>@@ -25,6 +25,7 @@
> 
> #pragma once
> 
>+#include "DownloadConfiguration.h"
> #include "DownloadID.h"
> #include "NetworkDataTask.h"
> #include "PendingDownload.h"
>@@ -80,9 +81,9 @@ public:
>     void continueWillSendRequest(DownloadID, WebCore::ResourceRequest&&);
>     void willDecidePendingDownloadDestination(NetworkDataTask&, ResponseCompletionHandler&&);
>     void convertNetworkLoadToDownload(DownloadID, std::unique_ptr<NetworkLoad>&&, ResponseCompletionHandler&&,  Vector<RefPtr<WebCore::BlobDataFileReference>>&&, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
>-    void continueDecidePendingDownloadDestination(DownloadID, String destination, SandboxExtension::Handle&&, bool allowOverwrite);
>+    void continueDecidePendingDownloadConfiguration(DownloadID, DownloadConfiguration&&);
> 
>-    void resumeDownload(PAL::SessionID, DownloadID, const IPC::DataReference& resumeData, const String& path, SandboxExtension::Handle&&);
>+    void resumeDownload(PAL::SessionID, DownloadID, const IPC::DataReference& resumeData, DownloadConfiguration&&);
> 
>     void cancelDownload(DownloadID);
> #if PLATFORM(COCOA)
>diff --git a/Source/WebKit/NetworkProcess/Downloads/cocoa/DownloadCocoa.mm b/Source/WebKit/NetworkProcess/Downloads/cocoa/DownloadCocoa.mm
>index d30e4792ea2..45e50ecbbc9 100644
>--- a/Source/WebKit/NetworkProcess/Downloads/cocoa/DownloadCocoa.mm
>+++ b/Source/WebKit/NetworkProcess/Downloads/cocoa/DownloadCocoa.mm
>@@ -35,9 +35,9 @@
> 
> namespace WebKit {
> 
>-void Download::resume(const IPC::DataReference& resumeData, const String& path, SandboxExtension::Handle&& sandboxExtensionHandle)
>+void Download::resume(const IPC::DataReference& resumeData)
> {
>-    m_sandboxExtension = SandboxExtension::create(WTFMove(sandboxExtensionHandle));
>+    m_sandboxExtension = SandboxExtension::create(WTFMove(m_downloadConfiguration.sandboxExtensionHandle));
>     if (m_sandboxExtension)
>         m_sandboxExtension->consume();
> 
>@@ -48,6 +48,7 @@ void Download::resume(const IPC::DataReference& resumeData, const String& path,
>     }
>     auto& cocoaSession = static_cast<NetworkSessionCocoa&>(*networkSession);
>     auto nsData = adoptNS([[NSData alloc] initWithBytes:resumeData.data() length:resumeData.size()]);
>+    auto path = m_downloadConfiguration.destination;
> 
>     // FIXME: This is a temporary workaround for <rdar://problem/34745171>.
> #if (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 120000) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400)
>diff --git a/Source/WebKit/NetworkProcess/NetworkDataTask.h b/Source/WebKit/NetworkProcess/NetworkDataTask.h
>index e104ce5311b..914404b559a 100644
>--- a/Source/WebKit/NetworkProcess/NetworkDataTask.h
>+++ b/Source/WebKit/NetworkProcess/NetworkDataTask.h
>@@ -25,6 +25,7 @@
> 
> #pragma once
> 
>+#include "DownloadConfiguration.h"
> #include "DownloadID.h"
> #include "SandboxExtension.h"
> #include <WebCore/Credential.h>
>@@ -116,9 +117,10 @@ public:
>         m_pendingDownload = &pendingDownload;
>     }
> 
>-    virtual void setPendingDownloadLocation(const String& filename, SandboxExtension::Handle&&, bool /*allowOverwrite*/) { m_pendingDownloadLocation = filename; }
>+    virtual void setPendingDownloadConfiguration(DownloadConfiguration&& downloadConfiguration) { m_pendingDownloadLocation = downloadConfiguration.destination; m_downloadConfiguration = WTFMove(downloadConfiguration); }
>     const String& pendingDownloadLocation() const { return m_pendingDownloadLocation; }
>     bool isDownload() const { return !!m_pendingDownloadID.downloadID(); }
>+    DownloadConfiguration& downloadConfiguration() { return m_downloadConfiguration; }
> 
>     const WebCore::ResourceRequest& firstRequest() const { return m_firstRequest; }
>     virtual String suggestedFilename() const { return String(); }
>@@ -146,6 +148,7 @@ protected:
>     NetworkDataTaskClient* m_client { nullptr };
>     PendingDownload* m_pendingDownload { nullptr };
>     DownloadID m_pendingDownloadID;
>+    DownloadConfiguration m_downloadConfiguration { };
>     String m_user;
>     String m_password;
>     String m_partition;
>diff --git a/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.cpp b/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.cpp
>index 036ec8efe85..4cc0ed23dff 100644
>--- a/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.cpp
>+++ b/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.cpp
>@@ -434,16 +434,16 @@ void NetworkDataTaskBlob::consumeData(const char* data, int bytesRead)
>     read();
> }
> 
>-void NetworkDataTaskBlob::setPendingDownloadLocation(const String& filename, SandboxExtension::Handle&& sandboxExtensionHandle, bool allowOverwrite)
>+void NetworkDataTaskBlob::setPendingDownloadConfiguration(DownloadConfiguration&& downloadConfiguration)
> {
>-    NetworkDataTask::setPendingDownloadLocation(filename, { }, allowOverwrite);
>+    NetworkDataTask::setPendingDownloadConfiguration(WTFMove(downloadConfiguration));
> 
>     ASSERT(!m_sandboxExtension);
>-    m_sandboxExtension = SandboxExtension::create(WTFMove(sandboxExtensionHandle));
>+    m_sandboxExtension = SandboxExtension::create(WTFMove(m_downloadConfiguration.sandboxExtensionHandle));
>     if (m_sandboxExtension)
>         m_sandboxExtension->consume();
> 
>-    if (allowOverwrite && FileSystem::fileExists(m_pendingDownloadLocation))
>+    if (m_downloadConfiguration.allowOverwrite == AllowOverwrite::Yes && FileSystem::fileExists(m_pendingDownloadLocation))
>         FileSystem::deleteFile(m_pendingDownloadLocation);
> }
> 
>diff --git a/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.h b/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.h
>index 00cc1f90dd1..eafac54bf59 100644
>--- a/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.h
>+++ b/Source/WebKit/NetworkProcess/NetworkDataTaskBlob.h
>@@ -62,7 +62,7 @@ private:
>     void invalidateAndCancel() override;
>     NetworkDataTask::State state() const override { return m_state; }
> 
>-    void setPendingDownloadLocation(const String&, SandboxExtension::Handle&&, bool /*allowOverwrite*/) override;
>+    void setPendingDownloadConfiguration(DownloadConfiguration&&) override;
>     String suggestedFilename() const override;
> 
>     // FileStreamClient methods.
>diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.cpp b/Source/WebKit/NetworkProcess/NetworkProcess.cpp
>index 0b31ff7733d..a34b9d44d22 100644
>--- a/Source/WebKit/NetworkProcess/NetworkProcess.cpp
>+++ b/Source/WebKit/NetworkProcess/NetworkProcess.cpp
>@@ -788,9 +788,9 @@ void NetworkProcess::downloadRequest(PAL::SessionID sessionID, DownloadID downlo
>     downloadManager().startDownload(nullptr, sessionID, downloadID, request, suggestedFilename);
> }
> 
>-void NetworkProcess::resumeDownload(PAL::SessionID sessionID, DownloadID downloadID, const IPC::DataReference& resumeData, const String& path, WebKit::SandboxExtension::Handle&& sandboxExtensionHandle)
>+void NetworkProcess::resumeDownload(PAL::SessionID sessionID, DownloadID downloadID, const IPC::DataReference& resumeData, DownloadConfiguration&& downloadConfiguration)
> {
>-    downloadManager().resumeDownload(sessionID, downloadID, resumeData, path, WTFMove(sandboxExtensionHandle));
>+    downloadManager().resumeDownload(sessionID, downloadID, resumeData, WTFMove(downloadConfiguration));
> }
> 
> void NetworkProcess::cancelDownload(DownloadID downloadID)
>@@ -827,15 +827,15 @@ void NetworkProcess::findPendingDownloadLocation(NetworkDataTask& networkDataTas
>     String suggestedFilename = response.isAttachmentWithFilename() ? response.suggestedFilename() : networkDataTask.suggestedFilename();
>     suggestedFilename = MIMETypeRegistry::appendFileExtensionIfNecessary(suggestedFilename, response.mimeType());
> 
>-    downloadProxyConnection()->send(Messages::DownloadProxy::DecideDestinationWithSuggestedFilenameAsync(networkDataTask.pendingDownloadID(), suggestedFilename), destinationID);
>+    downloadProxyConnection()->send(Messages::DownloadProxy::DecideConfigurationWithSuggestedFilenameAsync(networkDataTask.pendingDownloadID(), suggestedFilename), destinationID);
> }
> 
>-void NetworkProcess::continueDecidePendingDownloadDestination(DownloadID downloadID, String destination, SandboxExtension::Handle&& sandboxExtensionHandle, bool allowOverwrite)
>+void NetworkProcess::continueDecidePendingDownloadConfiguration(DownloadID downloadID, DownloadConfiguration&& downloadConfiguration)
> {
>-    if (destination.isEmpty())
>+    if (downloadConfiguration.destination.isEmpty())
>         downloadManager().cancelDownload(downloadID);
>     else
>-        downloadManager().continueDecidePendingDownloadDestination(downloadID, destination, WTFMove(sandboxExtensionHandle), allowOverwrite);
>+        downloadManager().continueDecidePendingDownloadConfiguration(downloadID, WTFMove(downloadConfiguration));
> }
> 
> void NetworkProcess::setCacheModel(uint32_t cm)
>diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.h b/Source/WebKit/NetworkProcess/NetworkProcess.h
>index f5c2fedbfc7..b3028e1ad5e 100644
>--- a/Source/WebKit/NetworkProcess/NetworkProcess.h
>+++ b/Source/WebKit/NetworkProcess/NetworkProcess.h
>@@ -262,13 +262,13 @@ private:
>     void clearDiskCache(WallTime modifiedSince, Function<void ()>&& completionHandler);
> 
>     void downloadRequest(PAL::SessionID, DownloadID, const WebCore::ResourceRequest&, const String& suggestedFilename);
>-    void resumeDownload(PAL::SessionID, DownloadID, const IPC::DataReference& resumeData, const String& path, SandboxExtension::Handle&&);
>+    void resumeDownload(PAL::SessionID, DownloadID, const IPC::DataReference& resumeData, DownloadConfiguration&&);
>     void cancelDownload(DownloadID);
> #if PLATFORM(COCOA)
>     void publishDownloadProgress(DownloadID, const URL&, SandboxExtension::Handle&&);
> #endif
>     void continueWillSendRequest(DownloadID, WebCore::ResourceRequest&&);
>-    void continueDecidePendingDownloadDestination(DownloadID, String destination, SandboxExtension::Handle&&, bool allowOverwrite);
>+    void continueDecidePendingDownloadConfiguration(DownloadID, DownloadConfiguration&&);
> 
>     void setCacheModel(uint32_t);
>     void allowSpecificHTTPSCertificateForHost(const WebCore::CertificateInfo&, const String& host);
>diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.messages.in b/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
>index 50795a28227..fd620c61b77 100644
>--- a/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
>+++ b/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
>@@ -47,14 +47,14 @@ messages -> NetworkProcess LegacyReceiver {
>     DeleteWebsiteDataForOrigins(PAL::SessionID sessionID, OptionSet<WebKit::WebsiteDataType> websiteDataTypes, Vector<WebCore::SecurityOriginData> origins, Vector<String> cookieHostNames, Vector<String> HSTSCacheHostNames, uint64_t callbackID)
> 
>     DownloadRequest(PAL::SessionID sessionID, WebKit::DownloadID downloadID, WebCore::ResourceRequest request, String suggestedFilename)
>-    ResumeDownload(PAL::SessionID sessionID, WebKit::DownloadID downloadID, IPC::DataReference resumeData, String path, WebKit::SandboxExtension::Handle sandboxExtensionHandle)
>+    ResumeDownload(PAL::SessionID sessionID, WebKit::DownloadID downloadID, IPC::DataReference resumeData, struct WebKit::DownloadConfiguration configuration)
>     CancelDownload(WebKit::DownloadID downloadID)
> #if PLATFORM(COCOA)
>     PublishDownloadProgress(WebKit::DownloadID downloadID, URL url, WebKit::SandboxExtension::Handle sandboxExtensionHandle)
> #endif
> 
>     ContinueWillSendRequest(WebKit::DownloadID downloadID, WebCore::ResourceRequest request)
>-    ContinueDecidePendingDownloadDestination(WebKit::DownloadID downloadID, String destination, WebKit::SandboxExtension::Handle sandboxExtensionHandle, bool allowOverwrite)
>+    ContinueDecidePendingDownloadConfiguration(WebKit::DownloadID downloadID, struct WebKit::DownloadConfiguration configuration)
> 
> #if PLATFORM(COCOA)
>     SetQOS(int latencyQOS, int throughputQOS)
>diff --git a/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.h b/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.h
>index 030fa52bb23..a3843fc8dc3 100644
>--- a/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.h
>+++ b/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.h
>@@ -39,6 +39,8 @@ namespace WebKit {
> 
> class NetworkSessionCocoa;
> 
>+struct DownloadConfiguration;
>+
> class NetworkDataTaskCocoa final : public NetworkDataTask {
>     friend class NetworkSessionCocoa;
> public:
>@@ -65,7 +67,7 @@ public:
>     void invalidateAndCancel() override { }
>     NetworkDataTask::State state() const override;
> 
>-    void setPendingDownloadLocation(const String&, SandboxExtension::Handle&&, bool /*allowOverwrite*/) override;
>+    void setPendingDownloadConfiguration(DownloadConfiguration&&) override;
>     String suggestedFilename() const override;
> 
>     WebCore::NetworkLoadMetrics& networkLoadMetrics() { return m_networkLoadMetrics; }
>diff --git a/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.mm b/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.mm
>index c84141b8dd4..2dc3b970968 100644
>--- a/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.mm
>+++ b/Source/WebKit/NetworkProcess/cocoa/NetworkDataTaskCocoa.mm
>@@ -382,19 +382,19 @@ void NetworkDataTaskCocoa::willPerformHTTPRedirection(WebCore::ResourceResponse&
>     }
> }
> 
>-void NetworkDataTaskCocoa::setPendingDownloadLocation(const WTF::String& filename, SandboxExtension::Handle&& sandboxExtensionHandle, bool allowOverwrite)
>+void NetworkDataTaskCocoa::setPendingDownloadConfiguration(DownloadConfiguration&& downloadConfiguration)
> {
>-    NetworkDataTask::setPendingDownloadLocation(filename, { }, allowOverwrite);
>+    NetworkDataTask::setPendingDownloadConfiguration(WTFMove(downloadConfiguration));
> 
>     ASSERT(!m_sandboxExtension);
>-    m_sandboxExtension = SandboxExtension::create(WTFMove(sandboxExtensionHandle));
>+    m_sandboxExtension = SandboxExtension::create(WTFMove(m_downloadConfiguration.sandboxExtensionHandle));
>     if (m_sandboxExtension)
>         m_sandboxExtension->consume();
> 
>     m_task.get()._pathToDownloadTaskFile = m_pendingDownloadLocation;
> 
>-    if (allowOverwrite && WebCore::FileSystem::fileExists(m_pendingDownloadLocation))
>-        WebCore::FileSystem::deleteFile(filename);
>+    if (m_downloadConfiguration.allowOverwrite == AllowOverwrite::Yes && WebCore::FileSystem::fileExists(m_pendingDownloadLocation))
>+        WebCore::FileSystem::deleteFile(m_pendingDownloadLocation);
> }
> 
> bool NetworkDataTaskCocoa::tryPasswordBasedAuthentication(const WebCore::AuthenticationChallenge& challenge, ChallengeCompletionHandler& completionHandler)
>diff --git a/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm b/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm
>index 2d4a7fdb0b9..9fb1730edb3 100644
>--- a/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm
>+++ b/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm
>@@ -555,7 +555,7 @@ - (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)data
>         Ref<NetworkDataTaskCocoa> protectedNetworkDataTask(*networkDataTask);
>         auto downloadID = networkDataTask->pendingDownloadID();
>         auto& downloadManager = WebKit::NetworkProcess::singleton().downloadManager();
>-        auto download = std::make_unique<WebKit::Download>(downloadManager, downloadID, downloadTask, _session->sessionID(), networkDataTask->suggestedFilename());
>+        auto download = std::make_unique<WebKit::Download>(downloadManager, downloadID, downloadTask, _session->sessionID(), networkDataTask->suggestedFilename(), WTFMove(networkDataTask->downloadConfiguration()));
>         networkDataTask->transferSandboxExtensionToDownload(*download);
>         ASSERT(WebCore::FileSystem::fileExists(networkDataTask->pendingDownloadLocation()));
>         download->didCreateDestination(networkDataTask->pendingDownloadLocation());
>diff --git a/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp b/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp
>index 0b7b6350a26..5b3b1573d63 100644
>--- a/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp
>+++ b/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp
>@@ -95,10 +95,10 @@ String NetworkDataTaskSoup::suggestedFilename() const
>     return decodeURLEscapeSequences(m_response.url().lastPathComponent());
> }
> 
>-void NetworkDataTaskSoup::setPendingDownloadLocation(const String& filename, SandboxExtension::Handle&& sandboxExtensionHandle, bool allowOverwrite)
>+void NetworkDataTaskSoup::setPendingDownloadConfiguration(DownloadConfiguration&& downloadConfiguration)
> {
>-    NetworkDataTask::setPendingDownloadLocation(filename, WTFMove(sandboxExtensionHandle), allowOverwrite);
>-    m_allowOverwriteDownload = allowOverwrite;
>+    NetworkDataTask::setPendingDownloadConfiguration(WTFMove(downloadConfiguration));
>+    m_allowOverwriteDownload = m_downloadConfiguration.allowOverwrite == AllowOverwrite::Yes;
> }
> 
> void NetworkDataTaskSoup::createRequest(ResourceRequest&& request)
>diff --git a/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.h b/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.h
>index d711c790c37..10671093f69 100644
>--- a/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.h
>+++ b/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.h
>@@ -52,7 +52,7 @@ private:
>     void invalidateAndCancel() override;
>     NetworkDataTask::State state() const override;
> 
>-    void setPendingDownloadLocation(const String&, SandboxExtension::Handle&&, bool /*allowOverwrite*/) override;
>+    void setPendingDownloadConfiguration(DownloadConfiguration&&) override;
>     String suggestedFilename() const override;
> 
>     void timeoutFired();
>diff --git a/Source/WebKit/Shared/DownloadConfiguration.cpp b/Source/WebKit/Shared/DownloadConfiguration.cpp
>new file mode 100644
>index 00000000000..235bb721e8e
>--- /dev/null
>+++ b/Source/WebKit/Shared/DownloadConfiguration.cpp
>@@ -0,0 +1,59 @@
>+/*
>+ * 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 "DownloadConfiguration.h"
>+
>+#include "ArgumentCoders.h"
>+
>+namespace WebKit {
>+
>+void DownloadConfiguration::encode(IPC::Encoder& encoder) const
>+{
>+    encoder << destination;
>+    sandboxExtensionHandle.encode(encoder);
>+    encoder << allowOverwrite;
>+}
>+
>+std::optional<DownloadConfiguration> DownloadConfiguration::decode(IPC::Decoder& decoder)
>+{
>+    DownloadConfiguration config { };
>+
>+    if (!decoder.decode(config.destination))
>+        return std::nullopt;
>+
>+    auto sandboxExtensionHandle = SandboxExtension::Handle::decode(decoder);
>+    if (!sandboxExtensionHandle)
>+        return std::nullopt;
>+
>+    config.sandboxExtensionHandle = WTFMove(*sandboxExtensionHandle);
>+
>+    if (!decoder.decode(config.allowOverwrite))
>+        return std::nullopt;
>+
>+    return { WTFMove(config) };
>+}
>+
>+}; // namespace WebKit
>diff --git a/Source/WebKit/Shared/DownloadConfiguration.h b/Source/WebKit/Shared/DownloadConfiguration.h
>new file mode 100644
>index 00000000000..614b821bd96
>--- /dev/null
>+++ b/Source/WebKit/Shared/DownloadConfiguration.h
>@@ -0,0 +1,69 @@
>+/*
>+ * 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 "SandboxExtension.h"
>+#include <wtf/Optional.h>
>+
>+namespace IPC {
>+class Decoder;
>+class Encoder;
>+}
>+
>+namespace WebKit {
>+
>+enum class AllowOverwrite { No, Yes };
>+
>+struct DownloadConfiguration {
>+
>+    DownloadConfiguration() = default;
>+    DownloadConfiguration(const String& destination, AllowOverwrite allowOverwrite = AllowOverwrite::No)
>+        : destination(destination)
>+        , allowOverwrite(allowOverwrite)
>+    {
>+    }
>+
>+    String destination;
>+    SandboxExtension::Handle sandboxExtensionHandle;
>+    AllowOverwrite allowOverwrite;
>+
>+    void encode(IPC::Encoder&) const;
>+    static std::optional<DownloadConfiguration> decode(IPC::Decoder&);
>+};
>+
>+} // namespace WebKit
>+
>+namespace WTF {
>+
>+template<> struct EnumTraits<WebKit::AllowOverwrite> {
>+    using values = EnumValues<
>+        WebKit::AllowOverwrite,
>+        WebKit::AllowOverwrite::No,
>+        WebKit::AllowOverwrite::Yes
>+    >;
>+};
>+
>+} // namespace WTF;
>diff --git a/Source/WebKit/Sources.txt b/Source/WebKit/Sources.txt
>index 055ec5e5761..5bc0ff08188 100644
>--- a/Source/WebKit/Sources.txt
>+++ b/Source/WebKit/Sources.txt
>@@ -100,6 +100,7 @@ Shared/BlobDataFileReferenceWithSandboxExtension.cpp @no-unify
> Shared/CacheModel.cpp
> Shared/ChildProcess.cpp @no-unify
> Shared/ContextMenuContextData.cpp
>+Shared/DownloadConfiguration.cpp
> Shared/EditorState.cpp
> Shared/FontInfo.cpp
> Shared/FrameInfoData.cpp
>diff --git a/Source/WebKit/SourcesCocoa.txt b/Source/WebKit/SourcesCocoa.txt
>index 55eaf591317..f1842596908 100644
>--- a/Source/WebKit/SourcesCocoa.txt
>+++ b/Source/WebKit/SourcesCocoa.txt
>@@ -230,6 +230,7 @@ UIProcess/API/Cocoa/_WKAutomationSession.mm
> UIProcess/API/Cocoa/_WKAutomationSessionConfiguration.mm
> UIProcess/API/Cocoa/_WKContextMenuElementInfo.mm
> UIProcess/API/Cocoa/_WKDownload.mm
>+UIProcess/API/Cocoa/_WKDownloadConfiguration.mm
> UIProcess/API/Cocoa/_WKElementAction.mm
> UIProcess/API/Cocoa/_WKErrorRecoveryAttempting.mm
> UIProcess/API/Cocoa/_WKExperimentalFeature.mm
>diff --git a/Source/WebKit/UIProcess/API/APIDownloadClient.h b/Source/WebKit/UIProcess/API/APIDownloadClient.h
>index 02376e1e110..a770880e097 100644
>--- a/Source/WebKit/UIProcess/API/APIDownloadClient.h
>+++ b/Source/WebKit/UIProcess/API/APIDownloadClient.h
>@@ -25,6 +25,7 @@
> 
> #pragma once
> 
>+#include "DownloadConfiguration.h"
> #include <wtf/CompletionHandler.h>
> #include <wtf/text/WTFString.h>
> 
>@@ -39,8 +40,6 @@ class AuthenticationChallengeProxy;
> class DownloadProxy;
> class WebProcessPool;
> class WebProtectionSpace;
>-
>-enum class AllowOverwrite { No, Yes };
> }
> 
> namespace API {
>@@ -53,7 +52,7 @@ public:
>     virtual void didReceiveAuthenticationChallenge(WebKit::WebProcessPool&, WebKit::DownloadProxy&, WebKit::AuthenticationChallengeProxy&) { }
>     virtual void didReceiveResponse(WebKit::WebProcessPool&, WebKit::DownloadProxy&, const WebCore::ResourceResponse&) { }
>     virtual void didReceiveData(WebKit::WebProcessPool&, WebKit::DownloadProxy&, uint64_t) { }
>-    virtual void decideDestinationWithSuggestedFilename(WebKit::WebProcessPool&, WebKit::DownloadProxy&, const WTF::String&, Function<void(WebKit::AllowOverwrite, WTF::String)>&& completionHandler) { completionHandler(WebKit::AllowOverwrite::No, { }); }
>+    virtual void decideConfigurationWithSuggestedFilename(WebKit::WebProcessPool&, WebKit::DownloadProxy&, const WTF::String&, Function<void(WebKit::DownloadConfiguration&&)>&& completionHandler) { completionHandler({ }); }
>     virtual void didCreateDestination(WebKit::WebProcessPool&, WebKit::DownloadProxy&, const WTF::String&) { }
>     virtual void didFinish(WebKit::WebProcessPool&, WebKit::DownloadProxy&) { }
>     virtual void didFail(WebKit::WebProcessPool&, WebKit::DownloadProxy&, const WebCore::ResourceError&) { }
>diff --git a/Source/WebKit/UIProcess/API/C/WKContext.cpp b/Source/WebKit/UIProcess/API/C/WKContext.cpp
>index e3b468b8011..d8f5f893a14 100644
>--- a/Source/WebKit/UIProcess/API/C/WKContext.cpp
>+++ b/Source/WebKit/UIProcess/API/C/WKContext.cpp
>@@ -206,14 +206,14 @@ void WKContextSetDownloadClient(WKContextRef contextRef, const WKContextDownload
>             m_client.didReceiveData(toAPI(&processPool), toAPI(&downloadProxy), length, m_client.base.clientInfo);
>         }
> 
>-        void decideDestinationWithSuggestedFilename(WebProcessPool& processPool, DownloadProxy& downloadProxy, const String& filename, Function<void(AllowOverwrite, WTF::String)>&& completionHandler) final
>+        void decideConfigurationWithSuggestedFilename(WebProcessPool& processPool, DownloadProxy& downloadProxy, const String& filename, Function<void(DownloadConfiguration&&)>&& completionHandler) final
>         {
>             if (!m_client.decideDestinationWithSuggestedFilename)
>-                return completionHandler(AllowOverwrite::No, { });
>+                return completionHandler({ });
> 
>             bool allowOverwrite = false;
>             WKRetainPtr<WKStringRef> destination(AdoptWK, m_client.decideDestinationWithSuggestedFilename(toAPI(&processPool), toAPI(&downloadProxy), toAPI(filename.impl()), &allowOverwrite, m_client.base.clientInfo));
>-            completionHandler(allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No, toWTFString(destination.get()));
>+            completionHandler({ toWTFString(destination.get()), allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No });
>         }
> 
>         void didCreateDestination(WebProcessPool& processPool, DownloadProxy& downloadProxy, const String& path) final
>@@ -282,7 +282,7 @@ WKDownloadRef WKContextDownloadURLRequest(WKContextRef contextRef, WKURLRequestR
> 
> WKDownloadRef WKContextResumeDownload(WKContextRef contextRef, WKDataRef resumeData, WKStringRef path)
> {
>-    return toAPI(toImpl(contextRef)->resumeDownload(nullptr, toImpl(resumeData), toWTFString(path)));
>+    return toAPI(toImpl(contextRef)->resumeDownload(nullptr, toImpl(resumeData), { toWTFString(path) }));
> }
> 
> void WKContextSetInitializationUserDataForInjectedBundle(WKContextRef contextRef,  WKTypeRef userDataRef)
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm
>index a18381ab35a..ed1e073df85 100644
>--- a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm
>+++ b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm
>@@ -43,6 +43,7 @@
> #import "WebProcessPool.h"
> #import "_WKAutomationDelegate.h"
> #import "_WKAutomationSessionInternal.h"
>+#import "_WKDownloadConfigurationInternal.h"
> #import "_WKDownloadDelegate.h"
> #import "_WKDownloadInternal.h"
> #import "_WKProcessPoolConfigurationInternal.h"
>@@ -578,7 +579,15 @@ - (_WKDownload *)_downloadURLRequest:(NSURLRequest *)request originatingWebView:
> 
> - (_WKDownload *)_resumeDownloadFromData:(NSData *)resumeData path:(NSString *)path originatingWebView:(WKWebView *)webView
> {
>-    return wrapper(_processPool->resumeDownload([webView _page], API::Data::createWithoutCopying(resumeData).ptr(), path));
>+    return wrapper(_processPool->resumeDownload([webView _page], API::Data::createWithoutCopying(resumeData).ptr(), { path }));
>+}
>+
>+- (_WKDownload *)_resumeDownloadFromData:(NSData *)resumeData originatingWebView:(WKWebView *)webView configuration:(_WKDownloadConfiguration *)wkConfiguration
>+{
>+    WebKit::DownloadConfiguration configuration { };
>+    if (wkConfiguration)
>+        configuration = [wkConfiguration _downloadConfiguration];
>+    return wrapper(_processPool->resumeDownload([webView _page], API::Data::createWithoutCopying(resumeData).ptr(), WTFMove(configuration)));
> }
> 
> - (void)_getActivePagesOriginsInWebProcessForTesting:(pid_t)pid completionHandler:(void(^)(NSArray<NSString *> *))completionHandler
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h
>index 3de2c0362bf..55fde18d407 100644
>--- a/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h
>+++ b/Source/WebKit/UIProcess/API/Cocoa/WKProcessPoolPrivate.h
>@@ -31,6 +31,7 @@
> @class WKWebView;
> @class _WKAutomationSession;
> @class _WKDownload;
>+@class _WKDownloadConfiguration;
> @class _WKProcessPoolConfiguration;
> @protocol _WKAutomationDelegate;
> @protocol _WKDownloadDelegate;
>@@ -83,6 +84,7 @@
> 
> - (_WKDownload *)_downloadURLRequest:(NSURLRequest *)request originatingWebView:(WKWebView *)webView WK_API_AVAILABLE(macosx(WK_MAC_TBA), ios(WK_IOS_TBA));
> - (_WKDownload *)_resumeDownloadFromData:(NSData *)resumeData path:(NSString *)path originatingWebView:(WKWebView *)webView WK_API_AVAILABLE(macosx(WK_MAC_TBA), ios(WK_IOS_TBA));
>+- (_WKDownload *)_resumeDownloadFromData:(NSData *)resumeData originatingWebView:(WKWebView *)webView configuration:(_WKDownloadConfiguration *)configuration WK_API_AVAILABLE(macosx(WK_MAC_TBA), ios(WK_IOS_TBA));
> 
> // Test only. Should be called only while no web content processes are running.
> - (void)_terminateNetworkProcess;
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfiguration.h b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfiguration.h
>new file mode 100644
>index 00000000000..9eec440c0d0
>--- /dev/null
>+++ b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfiguration.h
>@@ -0,0 +1,43 @@
>+/*
>+ * 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.
>+ */
>+
>+#import <Foundation/Foundation.h>
>+#import <WebKit/WKFoundation.h>
>+
>+#if WK_API_ENABLED
>+
>+NS_ASSUME_NONNULL_BEGIN
>+
>+WK_CLASS_AVAILABLE(macosx(WK_MAC_TBA), ios(WK_IOS_TBA))
>+@interface _WKDownloadConfiguration : NSObject
>+
>+@property (nonatomic, retain, nullable) NSURL *destination;
>+@property (nonatomic) BOOL allowOverwrite;
>+
>+@end
>+
>+NS_ASSUME_NONNULL_END
>+
>+#endif // WK_API_ENABLED
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfiguration.mm b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfiguration.mm
>new file mode 100644
>index 00000000000..32e3c149a67
>--- /dev/null
>+++ b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfiguration.mm
>@@ -0,0 +1,64 @@
>+/*
>+ * 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.
>+ */
>+
>+#import "config.h"
>+#import "_WKDownloadConfigurationInternal.h"
>+
>+#if WK_API_ENABLED
>+
>+static void checkURLArgument(NSURL *url)
>+{
>+    if (url && ![url isFileURL])
>+        [NSException raise:NSInvalidArgumentException format:@"%@ is not a file URL", url];
>+}
>+
>+@implementation _WKDownloadConfiguration {
>+    RetainPtr<NSURL> m_destination;
>+}
>+
>+- (NSURL *)destination
>+{
>+    return m_destination.get();
>+}
>+
>+- (void)setDestination:(NSURL *)destination
>+{
>+    checkURLArgument(destination);
>+    m_destination = destination;
>+}
>+
>+- (WebKit::DownloadConfiguration)_downloadConfiguration
>+{
>+    WebKit::DownloadConfiguration config { };
>+
>+    config.destination = [m_destination path];
>+    config.allowOverwrite = _allowOverwrite ? WebKit::AllowOverwrite::Yes : WebKit::AllowOverwrite::Yes;
>+
>+    return config;
>+}
>+
>+@end
>+
>+#endif // WK_API_ENABLED
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfigurationInternal.h b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfigurationInternal.h
>new file mode 100644
>index 00000000000..eb98ff01413
>--- /dev/null
>+++ b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadConfigurationInternal.h
>@@ -0,0 +1,38 @@
>+/*
>+ * 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.
>+ */
>+
>+#import "_WKDownloadConfiguration.h"
>+
>+#if WK_API_ENABLED
>+
>+#import "DownloadConfiguration.h"
>+
>+@interface _WKDownloadConfiguration ()
>+
>+- (WebKit::DownloadConfiguration)_downloadConfiguration;
>+
>+@end
>+
>+#endif // WK_API_ENABLED
>diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadDelegate.h b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadDelegate.h
>index e8be40f8705..6257b1507e6 100644
>--- a/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadDelegate.h
>+++ b/Source/WebKit/UIProcess/API/Cocoa/_WKDownloadDelegate.h
>@@ -30,6 +30,7 @@
> #import <Foundation/Foundation.h>
> 
> @class _WKDownload;
>+@class _WKDownloadConfiguration;
> 
> @protocol _WKDownloadDelegate <NSObject>
> @optional
>@@ -38,6 +39,7 @@
> - (void)_download:(_WKDownload *)download didReceiveResponse:(NSURLResponse *)response;
> - (void)_download:(_WKDownload *)download didReceiveData:(uint64_t)length;
> - (void)_download:(_WKDownload *)download decideDestinationWithSuggestedFilename:(NSString *)filename completionHandler:(void (^)(BOOL allowOverwrite, NSString *destination))completionHandler;
>+- (void)_download:(_WKDownload *)download decideConfigurationWithSuggestedFilename:(NSString *)filename completionHandler:(void (^)(_WKDownloadConfiguration *configuration))completionHandler;
> - (void)_downloadDidFinish:(_WKDownload *)download;
> - (void)_download:(_WKDownload *)download didFailWithError:(NSError *)error;
> - (void)_downloadDidCancel:(_WKDownload *)download;
>diff --git a/Source/WebKit/UIProcess/API/glib/WebKitDownloadClient.cpp b/Source/WebKit/UIProcess/API/glib/WebKitDownloadClient.cpp
>index ead4f234991..2bc279e70cb 100644
>--- a/Source/WebKit/UIProcess/API/glib/WebKitDownloadClient.cpp
>+++ b/Source/WebKit/UIProcess/API/glib/WebKitDownloadClient.cpp
>@@ -74,12 +74,12 @@ private:
>         webkitDownloadNotifyProgress(download.get(), length);
>     }
> 
>-    void decideDestinationWithSuggestedFilename(WebProcessPool&, DownloadProxy& downloadProxy, const String& filename, Function<void(AllowOverwrite, String)>&& completionHandler) override
>+    void decideConfigurationWithSuggestedFilename(WebProcessPool&, DownloadProxy& downloadProxy, const String& filename, Function<void(DownloadConfiguration&&)>&& completionHandler) override
>     {
>         GRefPtr<WebKitDownload> download = webkitWebContextGetOrCreateDownload(&downloadProxy);
>         bool allowOverwrite = false;
>         String destination = webkitDownloadDecideDestinationWithSuggestedFilename(download.get(), filename.utf8(), allowOverwrite);
>-        completionHandler(allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No, destination);
>+        completionHandler({ destination, allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No });
>     }
> 
>     void didCreateDestination(WebProcessPool&, DownloadProxy& downloadProxy, const String& path) override
>diff --git a/Source/WebKit/UIProcess/Cocoa/DownloadClient.h b/Source/WebKit/UIProcess/Cocoa/DownloadClient.h
>index 118866cc6f1..b7b21a81c9b 100644
>--- a/Source/WebKit/UIProcess/Cocoa/DownloadClient.h
>+++ b/Source/WebKit/UIProcess/Cocoa/DownloadClient.h
>@@ -51,7 +51,7 @@ private:
>     void didStart(WebProcessPool&, DownloadProxy&) final;
>     void didReceiveResponse(WebProcessPool&, DownloadProxy&, const WebCore::ResourceResponse&) final;
>     void didReceiveData(WebProcessPool&, DownloadProxy&, uint64_t length) final;
>-    void decideDestinationWithSuggestedFilename(WebProcessPool&, DownloadProxy&, const String& suggestedFilename, Function<void(AllowOverwrite, String)>&&) final;
>+    void decideConfigurationWithSuggestedFilename(WebProcessPool&, DownloadProxy&, const String& suggestedFilename, Function<void(DownloadConfiguration&&)>&&) final;
>     void didFinish(WebProcessPool&, DownloadProxy&) final;
>     void didFail(WebProcessPool&, DownloadProxy&, const WebCore::ResourceError&) final;
>     void didCancel(WebProcessPool&, DownloadProxy&) final;
>@@ -77,6 +77,7 @@ private:
>         bool downloadDidReceiveData : 1;
>         bool downloadDecideDestinationWithSuggestedFilenameAllowOverwrite : 1;
>         bool downloadDecideDestinationWithSuggestedFilenameCompletionHandler : 1;
>+        bool downloadDecideConfigurationWithSuggestedFilenameCompletionHandler : 1;
>         bool downloadDidFinish : 1;
>         bool downloadDidFail : 1;
>         bool downloadDidCancel : 1;
>diff --git a/Source/WebKit/UIProcess/Cocoa/DownloadClient.mm b/Source/WebKit/UIProcess/Cocoa/DownloadClient.mm
>index 3b49628fdf6..b8f09ff43c0 100644
>--- a/Source/WebKit/UIProcess/Cocoa/DownloadClient.mm
>+++ b/Source/WebKit/UIProcess/Cocoa/DownloadClient.mm
>@@ -40,6 +40,7 @@
> #import "WebCredential.h"
> #import "WebPageProxy.h"
> #import "WebProcessProxy.h"
>+#import "_WKDownloadConfigurationInternal.h"
> #import "_WKDownloadDelegate.h"
> #import "_WKDownloadInternal.h"
> #import <WebCore/FileSystem.h>
>@@ -57,6 +58,7 @@ DownloadClient::DownloadClient(id <_WKDownloadDelegate> delegate)
>     m_delegateMethods.downloadDidReceiveData = [delegate respondsToSelector:@selector(_download:didReceiveData:)];
>     m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameAllowOverwrite = [delegate respondsToSelector:@selector(_download:decideDestinationWithSuggestedFilename:allowOverwrite:)];
>     m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameCompletionHandler = [delegate respondsToSelector:@selector(_download:decideDestinationWithSuggestedFilename:completionHandler:)];
>+    m_delegateMethods.downloadDecideConfigurationWithSuggestedFilenameCompletionHandler = [delegate respondsToSelector:@selector(_download:decideConfigurationWithSuggestedFilename:completionHandler:)];
>     m_delegateMethods.downloadDidFinish = [delegate respondsToSelector:@selector(_downloadDidFinish:)];
>     m_delegateMethods.downloadDidFail = [delegate respondsToSelector:@selector(_download:didFailWithError:)];
>     m_delegateMethods.downloadDidCancel = [delegate respondsToSelector:@selector(_downloadDidCancel:)];
>@@ -177,32 +179,42 @@ void DownloadClient::processDidCrash(WebProcessPool&, DownloadProxy& downloadPro
>         [m_delegate _downloadProcessDidCrash:wrapper(downloadProxy)];
> }
> 
>-void DownloadClient::decideDestinationWithSuggestedFilename(WebProcessPool&, DownloadProxy& downloadProxy, const String& filename, Function<void(AllowOverwrite, String)>&& completionHandler)
>+void DownloadClient::decideConfigurationWithSuggestedFilename(WebProcessPool&, DownloadProxy& downloadProxy, const String& filename, Function<void(DownloadConfiguration&&)>&& completionHandler)
> {
> #if USE(SYSTEM_PREVIEW)
>     if (downloadProxy.isSystemPreviewDownload()) {
>         NSString *temporaryDirectory = WebCore::FileSystem::createTemporaryDirectory(@"SystemPreviews");
>         NSString *destination = [temporaryDirectory stringByAppendingPathComponent:filename];
>-        completionHandler(AllowOverwrite::Yes, destination);
>+        completionHandler({ destination, AllowOverwrite::Yes });
>         return;
>     }
> #endif
> 
>-    if (!m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameAllowOverwrite && !m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameCompletionHandler)
>-        return completionHandler(AllowOverwrite::No, { });
>+    if (!m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameAllowOverwrite && !m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameCompletionHandler && !m_delegateMethods.downloadDecideConfigurationWithSuggestedFilenameCompletionHandler)
>+        return completionHandler({ });
> 
>-    if (m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameAllowOverwrite) {
>+    if (m_delegateMethods.downloadDecideConfigurationWithSuggestedFilenameCompletionHandler) {
>+        [m_delegate _download:wrapper(downloadProxy) decideConfigurationWithSuggestedFilename:filename completionHandler:makeBlockPtr([checker = CompletionHandlerCallChecker::create(m_delegate.get().get(), @selector(_download:decideConfigurationWithSuggestedFilename:completionHandler:)), completionHandler = WTFMove(completionHandler)] (_WKDownloadConfiguration *wkDownloadConfiguration) {
>+            if (checker->completionHandlerHasBeenCalled())
>+                return;
>+            checker->didCallCompletionHandler();
>+            DownloadConfiguration downloadConfiguration { };
>+            if (wkDownloadConfiguration)
>+                downloadConfiguration = [wkDownloadConfiguration _downloadConfiguration];
>+            completionHandler(WTFMove(downloadConfiguration));
>+        }).get()];
>+    } else if (m_delegateMethods.downloadDecideDestinationWithSuggestedFilenameAllowOverwrite) {
>         BOOL allowOverwrite = NO;
>         ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>         NSString *destination = [m_delegate _download:wrapper(downloadProxy) decideDestinationWithSuggestedFilename:filename allowOverwrite:&allowOverwrite];
>         ALLOW_DEPRECATED_DECLARATIONS_END
>-        completionHandler(allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No, destination);
>+        completionHandler({ destination, allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No });
>     } else {
>         [m_delegate _download:wrapper(downloadProxy) decideDestinationWithSuggestedFilename:filename completionHandler:makeBlockPtr([checker = CompletionHandlerCallChecker::create(m_delegate.get().get(), @selector(_download:decideDestinationWithSuggestedFilename:completionHandler:)), completionHandler = WTFMove(completionHandler)] (BOOL allowOverwrite, NSString *destination) {
>             if (checker->completionHandlerHasBeenCalled())
>                 return;
>             checker->didCallCompletionHandler();
>-            completionHandler(allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No, destination);
>+            completionHandler({ destination, allowOverwrite ? AllowOverwrite::Yes : AllowOverwrite::No });
>         }).get()];
>     }
> }
>diff --git a/Source/WebKit/UIProcess/Cocoa/WebViewImpl.mm b/Source/WebKit/UIProcess/Cocoa/WebViewImpl.mm
>index d74ddb37052..92e0ccfcbd0 100644
>--- a/Source/WebKit/UIProcess/Cocoa/WebViewImpl.mm
>+++ b/Source/WebKit/UIProcess/Cocoa/WebViewImpl.mm
>@@ -528,8 +528,6 @@ - (BOOL)tryToPerform:(SEL)action with:(id)object
> 
> @end
> 
>-using namespace WebKit;
>-
> #if HAVE(TOUCH_BAR)
> 
> @interface WKTextListTouchBarViewController : NSViewController {
>@@ -538,9 +536,9 @@ @private
>     ListType _currentListType;
> }
> 
>-@property (nonatomic) ListType currentListType;
>+@property (nonatomic) WebKit::ListType currentListType;
> 
>-- (instancetype)initWithWebViewImpl:(WebViewImpl*)webViewImpl;
>+- (instancetype)initWithWebViewImpl:(WebKit::WebViewImpl*)webViewImpl;
> 
> @end
> 
>@@ -557,7 +555,7 @@ static const NSUInteger noListSegment = 0;
> static const NSUInteger unorderedListSegment = 1;
> static const NSUInteger orderedListSegment = 2;
> 
>-- (instancetype)initWithWebViewImpl:(WebViewImpl*)webViewImpl
>+- (instancetype)initWithWebViewImpl:(WebKit::WebViewImpl*)webViewImpl
> {
>     if (!(self = [super init]))
>         return nil;
>@@ -600,9 +598,9 @@ - (void)_selectList:(id)sender
>         // There is no "remove list" edit command, but InsertOrderedList and InsertUnorderedList both
>         // behave as toggles, so we can invoke the appropriate edit command depending on our _currentListType
>         // to remove an existing list. We don't have to do anything if _currentListType is NoList.
>-        if (_currentListType == OrderedList)
>+        if (_currentListType == WebKit::OrderedList)
>             _webViewImpl->page().executeEditCommand(@"InsertOrderedList", @"");
>-        else if (_currentListType == UnorderedList)
>+        else if (_currentListType == WebKit::UnorderedList)
>             _webViewImpl->page().executeEditCommand(@"InsertUnorderedList", @"");
>         break;
>     case unorderedListSegment:
>@@ -616,17 +614,17 @@ - (void)_selectList:(id)sender
>     _webViewImpl->dismissTextTouchBarPopoverItemWithIdentifier(NSTouchBarItemIdentifierTextList);
> }
> 
>-- (void)setCurrentListType:(ListType)listType
>+- (void)setCurrentListType:(WebKit::ListType)listType
> {
>     NSSegmentedControl *insertListControl = (NSSegmentedControl *)self.view;
>     switch (listType) {
>-    case NoList:
>+    case WebKit::NoList:
>         [insertListControl setSelected:YES forSegment:noListSegment];
>         break;
>-    case OrderedList:
>+    case WebKit::OrderedList:
>         [insertListControl setSelected:YES forSegment:orderedListSegment];
>         break;
>-    case UnorderedList:
>+    case WebKit::UnorderedList:
>         [insertListControl setSelected:YES forSegment:unorderedListSegment];
>         break;
>     }
>@@ -646,7 +644,7 @@ @private
>     RetainPtr<WKTextListTouchBarViewController> _textListTouchBarViewController;
> 
> @private
>-    WebViewImpl* _webViewImpl;
>+    WebKit::WebViewImpl* _webViewImpl;
> }
> 
> @property (nonatomic) BOOL textIsBold;
>@@ -655,7 +653,7 @@ @property (nonatomic) BOOL textIsUnderlined;
> @property (nonatomic) NSTextAlignment currentTextAlignment;
> @property (nonatomic, retain, readwrite) NSColor *textColor;
> 
>-- (instancetype)initWithWebViewImpl:(WebViewImpl*)webViewImpl;
>+- (instancetype)initWithWebViewImpl:(WebKit::WebViewImpl*)webViewImpl;
> @end
> 
> @implementation WKTextTouchBarItemController
>@@ -665,7 +663,7 @@ @synthesize textIsItalic=_textIsItalic;
> @synthesize textIsUnderlined=_textIsUnderlined;
> @synthesize currentTextAlignment=_currentTextAlignment;
> 
>-- (instancetype)initWithWebViewImpl:(WebViewImpl*)webViewImpl
>+- (instancetype)initWithWebViewImpl:(WebKit::WebViewImpl*)webViewImpl
> {
>     if (!(self = [super init]))
>         return nil;
>diff --git a/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp b/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp
>index 75102ee3b00..0bacfdecc7b 100644
>--- a/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp
>+++ b/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp
>@@ -175,21 +175,20 @@ void DownloadProxy::didReceiveData(uint64_t length)
>     m_processPool->downloadClient().didReceiveData(*m_processPool, *this, length);
> }
> 
>-void DownloadProxy::decideDestinationWithSuggestedFilenameAsync(DownloadID downloadID, const String& suggestedFilename)
>+void DownloadProxy::decideConfigurationWithSuggestedFilenameAsync(DownloadID downloadID, const String& suggestedFilename)
> {
>     if (!m_processPool)
>         return;
>     
>-    m_processPool->downloadClient().decideDestinationWithSuggestedFilename(*m_processPool, *this, suggestedFilename, [this, protectedThis = makeRef(*this), downloadID = downloadID] (AllowOverwrite allowOverwrite, String destination) {
>-        SandboxExtension::Handle sandboxExtensionHandle;
>-        if (!destination.isNull())
>-            SandboxExtension::createHandle(destination, SandboxExtension::Type::ReadWrite, sandboxExtensionHandle);
>-
>+    m_processPool->downloadClient().decideConfigurationWithSuggestedFilename(*m_processPool, *this, suggestedFilename, [this, protectedThis = makeRef(*this), downloadID = downloadID] (DownloadConfiguration&& configuration) {
>         if (!m_processPool)
>             return;
> 
>+        if (!configuration.destination.isNull())
>+            SandboxExtension::createHandle(configuration.destination, SandboxExtension::Type::ReadWrite, configuration.sandboxExtensionHandle);
>+
>         if (auto* networkProcess = m_processPool->networkProcess())
>-            networkProcess->send(Messages::NetworkProcess::ContinueDecidePendingDownloadDestination(downloadID, destination, sandboxExtensionHandle, allowOverwrite == AllowOverwrite::Yes), 0);
>+            networkProcess->send(Messages::NetworkProcess::ContinueDecidePendingDownloadConfiguration(downloadID, WTFMove(configuration)), 0);
>     });
> }
> 
>diff --git a/Source/WebKit/UIProcess/Downloads/DownloadProxy.h b/Source/WebKit/UIProcess/Downloads/DownloadProxy.h
>index f24049957a2..f081b5accbb 100644
>--- a/Source/WebKit/UIProcess/Downloads/DownloadProxy.h
>+++ b/Source/WebKit/UIProcess/Downloads/DownloadProxy.h
>@@ -115,7 +115,7 @@ private:
>     void didFail(const WebCore::ResourceError&, const IPC::DataReference& resumeData);
>     void didCancel(const IPC::DataReference& resumeData);
>     void willSendRequest(WebCore::ResourceRequest&& redirectRequest, const WebCore::ResourceResponse& redirectResponse);
>-    void decideDestinationWithSuggestedFilenameAsync(DownloadID, const String& suggestedFilename);
>+    void decideConfigurationWithSuggestedFilenameAsync(DownloadID, const String& suggestedFilename);
> 
>     DownloadProxyMap& m_downloadProxyMap;
>     RefPtr<WebProcessPool> m_processPool;
>diff --git a/Source/WebKit/UIProcess/Downloads/DownloadProxy.messages.in b/Source/WebKit/UIProcess/Downloads/DownloadProxy.messages.in
>index ea56dab1d62..2eb790fac43 100644
>--- a/Source/WebKit/UIProcess/Downloads/DownloadProxy.messages.in
>+++ b/Source/WebKit/UIProcess/Downloads/DownloadProxy.messages.in
>@@ -24,7 +24,7 @@ messages -> DownloadProxy {
>     DidStart(WebCore::ResourceRequest request, AtomicString suggestedFilename)
>     DidReceiveAuthenticationChallenge(WebCore::AuthenticationChallenge challenge, uint64_t challengeID)
>     WillSendRequest(WebCore::ResourceRequest redirectRequest, WebCore::ResourceResponse redirectResponse))
>-    DecideDestinationWithSuggestedFilenameAsync(WebKit::DownloadID downloadID, String suggestedFilename)
>+    DecideConfigurationWithSuggestedFilenameAsync(WebKit::DownloadID downloadID, String suggestedFilename)
> 
>     DidReceiveResponse(WebCore::ResourceResponse response)
>     DidReceiveData(uint64_t length)
>diff --git a/Source/WebKit/UIProcess/WebProcessPool.cpp b/Source/WebKit/UIProcess/WebProcessPool.cpp
>index c8f805e8984..0f8aa986486 100644
>--- a/Source/WebKit/UIProcess/WebProcessPool.cpp
>+++ b/Source/WebKit/UIProcess/WebProcessPool.cpp
>@@ -1261,17 +1261,16 @@ DownloadProxy* WebProcessPool::download(WebPageProxy* initiatingPage, const Reso
>     return downloadProxy;
> }
> 
>-DownloadProxy* WebProcessPool::resumeDownload(WebPageProxy* initiatingPage, const API::Data* resumeData, const String& path)
>+DownloadProxy* WebProcessPool::resumeDownload(WebPageProxy* initiatingPage, const API::Data* resumeData, DownloadConfiguration&& downloadConfiguration)
> {
>     auto* downloadProxy = createDownloadProxy(ResourceRequest(), initiatingPage);
>     PAL::SessionID sessionID = initiatingPage ? initiatingPage->sessionID() : PAL::SessionID::defaultSessionID();
> 
>-    SandboxExtension::Handle sandboxExtensionHandle;
>-    if (!path.isEmpty())
>-        SandboxExtension::createHandle(path, SandboxExtension::Type::ReadWrite, sandboxExtensionHandle);
>+    if (!downloadConfiguration.destination.isEmpty())
>+        SandboxExtension::createHandle(downloadConfiguration.destination, SandboxExtension::Type::ReadWrite, downloadConfiguration.sandboxExtensionHandle);
> 
>     if (networkProcess()) {
>-        networkProcess()->send(Messages::NetworkProcess::ResumeDownload(sessionID, downloadProxy->downloadID(), resumeData->dataReference(), path, sandboxExtensionHandle), 0);
>+        networkProcess()->send(Messages::NetworkProcess::ResumeDownload(sessionID, downloadProxy->downloadID(), resumeData->dataReference(), WTFMove(downloadConfiguration)), 0);
>         return downloadProxy;
>     }
> 
>diff --git a/Source/WebKit/UIProcess/WebProcessPool.h b/Source/WebKit/UIProcess/WebProcessPool.h
>index 076794df0ce..4c231d72da7 100644
>--- a/Source/WebKit/UIProcess/WebProcessPool.h
>+++ b/Source/WebKit/UIProcess/WebProcessPool.h
>@@ -29,6 +29,7 @@
> #include "APIObject.h"
> #include "APIProcessPoolConfiguration.h"
> #include "APIWebsiteDataStore.h"
>+#include "DownloadConfiguration.h"
> #include "DownloadProxyMap.h"
> #include "GenericCallback.h"
> #include "HiddenPageThrottlingAutoIncreasesCounter.h"
>@@ -189,7 +190,7 @@ public:
>     const String& injectedBundlePath() const { return m_configuration->injectedBundlePath(); }
> 
>     DownloadProxy* download(WebPageProxy* initiatingPage, const WebCore::ResourceRequest&, const String& suggestedFilename = { });
>-    DownloadProxy* resumeDownload(WebPageProxy* initiatingPage, const API::Data* resumeData, const String& path);
>+    DownloadProxy* resumeDownload(WebPageProxy* initiatingPage, const API::Data* resumeData, DownloadConfiguration&& = { });
> 
>     void setInjectedBundleInitializationUserData(RefPtr<API::Object>&& userData) { m_injectedBundleInitializationUserData = WTFMove(userData); }
> 
>diff --git a/Source/WebKit/WebKit.xcodeproj/project.pbxproj b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>index 6b189008453..5e45eb3c702 100644
>--- a/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>+++ b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>@@ -1078,8 +1078,10 @@
> 		636353A51E9858DF0009F8AF /* _WKGeolocationCoreLocationProvider.h in Headers */ = {isa = PBXBuildFile; fileRef = 63FABE191E970D65003011D5 /* _WKGeolocationCoreLocationProvider.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		637281A221ADC744009E0DE6 /* WKDownloadProgress.h in Headers */ = {isa = PBXBuildFile; fileRef = 637281A021ADC744009E0DE6 /* WKDownloadProgress.h */; };
> 		637281A321ADC744009E0DE6 /* WKDownloadProgress.mm in Sources */ = {isa = PBXBuildFile; fileRef = 637281A121ADC744009E0DE6 /* WKDownloadProgress.mm */; };
>+		63BDE7DE219248C80098C90B /* DownloadConfiguration.h in Headers */ = {isa = PBXBuildFile; fileRef = 63BDE7DC219248C80098C90B /* DownloadConfiguration.h */; };
> 		63C32C261E9810D900699BD0 /* _WKGeolocationPosition.h in Headers */ = {isa = PBXBuildFile; fileRef = 63C32C241E9810D900699BD0 /* _WKGeolocationPosition.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		63C32C281E98119000699BD0 /* _WKGeolocationPositionInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = 63C32C271E98119000699BD0 /* _WKGeolocationPositionInternal.h */; };
>+		63EE417921C1BB04007A9F74 /* _WKDownloadConfiguration.h in Headers */ = {isa = PBXBuildFile; fileRef = 63EE417721C1BB04007A9F74 /* _WKDownloadConfiguration.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		65B86F1E12F11DE300B7DD8A /* WKBundleInspector.h in Headers */ = {isa = PBXBuildFile; fileRef = 65B86F1812F11D7B00B7DD8A /* WKBundleInspector.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		6A5080BF1F0EDAAA00E617C5 /* WKWindowFeaturesPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = 6A5080BE1F0EDAAA00E617C5 /* WKWindowFeaturesPrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		6B821DDC1EEF05DD00D7AF4A /* WebResourceLoadStatisticsTelemetry.h in Headers */ = {isa = PBXBuildFile; fileRef = 6B821DDA1EEF05DD00D7AF4A /* WebResourceLoadStatisticsTelemetry.h */; };
>@@ -3487,9 +3489,14 @@
> 		6348424F1FB26E7100946E3C /* APIApplicationManifest.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = APIApplicationManifest.h; sourceTree = "<group>"; };
> 		637281A021ADC744009E0DE6 /* WKDownloadProgress.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WKDownloadProgress.h; sourceTree = "<group>"; };
> 		637281A121ADC744009E0DE6 /* WKDownloadProgress.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = WKDownloadProgress.mm; sourceTree = "<group>"; };
>+		63BDE7DC219248C80098C90B /* DownloadConfiguration.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DownloadConfiguration.h; sourceTree = "<group>"; };
>+		63BDE7DD219248C80098C90B /* DownloadConfiguration.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = DownloadConfiguration.cpp; sourceTree = "<group>"; };
> 		63C32C231E9810D900699BD0 /* _WKGeolocationPosition.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = _WKGeolocationPosition.mm; sourceTree = "<group>"; };
> 		63C32C241E9810D900699BD0 /* _WKGeolocationPosition.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = _WKGeolocationPosition.h; sourceTree = "<group>"; };
> 		63C32C271E98119000699BD0 /* _WKGeolocationPositionInternal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = _WKGeolocationPositionInternal.h; sourceTree = "<group>"; };
>+		63EE417721C1BB04007A9F74 /* _WKDownloadConfiguration.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = _WKDownloadConfiguration.h; sourceTree = "<group>"; };
>+		63EE417821C1BB04007A9F74 /* _WKDownloadConfiguration.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = _WKDownloadConfiguration.mm; sourceTree = "<group>"; };
>+		63EE417B21C1BBE7007A9F74 /* _WKDownloadConfigurationInternal.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = _WKDownloadConfigurationInternal.h; sourceTree = "<group>"; };
> 		63FABE191E970D65003011D5 /* _WKGeolocationCoreLocationProvider.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = _WKGeolocationCoreLocationProvider.h; sourceTree = "<group>"; };
> 		6546A82913000164000CEB1C /* InjectedBundlePageResourceLoadClient.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = InjectedBundlePageResourceLoadClient.cpp; sourceTree = "<group>"; };
> 		6546A82A13000164000CEB1C /* InjectedBundlePageResourceLoadClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = InjectedBundlePageResourceLoadClient.h; sourceTree = "<group>"; };
>@@ -5152,6 +5159,8 @@
> 				7C065F291C8CD95F00C2D950 /* WebUserContentControllerDataTypes.cpp */,
> 				7C065F2A1C8CD95F00C2D950 /* WebUserContentControllerDataTypes.h */,
> 				C0337DD0127A2980008FF4F4 /* WebWheelEvent.cpp */,
>+				63BDE7DC219248C80098C90B /* DownloadConfiguration.h */,
>+				63BDE7DD219248C80098C90B /* DownloadConfiguration.cpp */,
> 			);
> 			path = Shared;
> 			sourceTree = "<group>";
>@@ -5991,6 +6000,9 @@
> 				A1A4FE5818DCE9FA00B5EA8A /* _WKDownload.mm */,
> 				A1A4FE6018DD54A400B5EA8A /* _WKDownloadDelegate.h */,
> 				A1A4FE5918DCE9FA00B5EA8A /* _WKDownloadInternal.h */,
>+				63EE417721C1BB04007A9F74 /* _WKDownloadConfiguration.h */,
>+				63EE417821C1BB04007A9F74 /* _WKDownloadConfiguration.mm */,
>+				63EE417B21C1BBE7007A9F74 /* _WKDownloadConfigurationInternal.h */,
> 				379A873818BBFE0F00588AF2 /* _WKElementAction.h */,
> 				379A873718BBFE0F00588AF2 /* _WKElementAction.mm */,
> 				379A873B18BBFF0700588AF2 /* _WKElementActionInternal.h */,
>@@ -9338,6 +9350,7 @@
> 				BC4A6292147312BE006C681A /* WebConnectionClient.h in Headers */,
> 				1A1FEC1D1627B45700700F6D /* WebConnectionMessages.h in Headers */,
> 				BC4A62A814744EC7006C681A /* WebConnectionToWebProcess.h in Headers */,
>+				63BDE7DE219248C80098C90B /* DownloadConfiguration.h in Headers */,
> 				31A505FA1680025500A930EB /* WebContextClient.h in Headers */,
> 				BC09B8F9147460F7005F5625 /* WebContextConnectionClient.h in Headers */,
> 				BCDE059B11CDA8AE00E41AF1 /* WebContextInjectedBundleClient.h in Headers */,
>@@ -9531,6 +9544,7 @@
> 				BC4075F4124FF0270068F20A /* WKArray.h in Headers */,
> 				512F58F612A88A5400629530 /* WKAuthenticationChallenge.h in Headers */,
> 				512F58F812A88A5400629530 /* WKAuthenticationDecisionListener.h in Headers */,
>+				63EE417921C1BB04007A9F74 /* _WKDownloadConfiguration.h in Headers */,
> 				37C4C08D1814AC5C003688B9 /* WKBackForwardList.h in Headers */,
> 				37C4C0951814B9E6003688B9 /* WKBackForwardListInternal.h in Headers */,
> 				37C4C08718149C5B003688B9 /* WKBackForwardListItem.h in Headers */,
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index c4215c8c99b..18525d5ebb2 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,18 @@
>+2018-12-13  David Quesada  <david_quesada@apple.com>
>+
>+        Add a class to bundle download configuration parameters together
>+        https://bugs.webkit.org/show_bug.cgi?id=192683
>+        rdar://problem/46711066
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * TestWebKitAPI/Tests/WebKitCocoa/Download.mm:
>+        (-[ConfigurationDecidingDownloadDelegate _download:decideConfigurationWithSuggestedFilename:completionHandler:]):
>+        (-[ConfigurationDecidingDownloadDelegate _downloadDidFinish:]):
>+        (TEST):
>+            Add a simple API test for configuring a download via the _WKDownloadDelegate method
>+            that asks for a _WKDownloadConfiguration.
>+
> 2018-12-13  Wenson Hsieh  <wenson_hsieh@apple.com>
> 
>         [iOS] Support dropping contact card data (public.vcard) in editable content
>diff --git a/Tools/TestWebKitAPI/Tests/WebKitCocoa/Download.mm b/Tools/TestWebKitAPI/Tests/WebKitCocoa/Download.mm
>index dae0d2710c8..9ce3d0f70a8 100644
>--- a/Tools/TestWebKitAPI/Tests/WebKitCocoa/Download.mm
>+++ b/Tools/TestWebKitAPI/Tests/WebKitCocoa/Download.mm
>@@ -35,6 +35,7 @@
> #import "TestWKWebView.h"
> #import <WebCore/FileSystem.h>
> #import <WebKit/_WKDownload.h>
>+#import <WebKit/_WKDownloadConfiguration.h>
> #import <WebKit/_WKDownloadDelegate.h>
> #import <WebKit/WKNavigationDelegatePrivate.h>
> #import <WebKit/WKProcessPoolPrivate.h>
>@@ -620,5 +621,41 @@ TEST(_WKDownload, DownloadCanceledWhileDecidingDestination)
>     [TestProtocol unregister];
> }
> 
>+@interface ConfigurationDecidingDownloadDelegate : NSObject <_WKDownloadDelegate>
>+@end
>+
>+@implementation ConfigurationDecidingDownloadDelegate {
>+    String _destinationPath;
>+}
>+
>+- (void)_download:(_WKDownload *)download decideConfigurationWithSuggestedFilename:(NSString *)filename completionHandler:(void (^)(_WKDownloadConfiguration *))completionHandler
>+{    
>+    WebCore::FileSystem::PlatformFileHandle fileHandle;
>+    _destinationPath = WebCore::FileSystem::openTemporaryFile("TestWebKitAPI", fileHandle);
>+    EXPECT_TRUE(fileHandle != WebCore::FileSystem::invalidPlatformFileHandle);
>+    WebCore::FileSystem::closeFile(fileHandle);
>+
>+    auto configuration = adoptNS([[_WKDownloadConfiguration alloc] init]);
>+    [configuration setDestination:[NSURL fileURLWithPath:_destinationPath]];
>+    [configuration setAllowOverwrite:YES];
>+    completionHandler(configuration.get());
>+}
>+
>+- (void)_downloadDidFinish:(_WKDownload *)download
>+{
>+    EXPECT_TRUE([[NSFileManager defaultManager] contentsEqualAtPath:_destinationPath andPath:[sourceURL path]]);
>+    WebCore::FileSystem::deleteFile(_destinationPath);
>+    isDone = true;
>+}
>+
>+@end
>+
>+TEST(_WKDownload, DownloadDecideConfiguration)
>+{
>+    auto navigationDelegate = adoptNS([[ConvertResponseToDownloadNavigationDelegate alloc] init]);
>+    auto downloadDelegate = adoptNS([[ConfigurationDecidingDownloadDelegate alloc] init]);
>+    runTest(navigationDelegate.get(), downloadDelegate.get(), sourceURL);
>+}
>+
> #endif
> #endif

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Attachments on bug 192683: 357265 | 357274 | 357279 | 357285