Initialize and set compositor thread in WebKit initialization

content/renderer/render_thread.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_thread.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 46 matching lines @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDatabase.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNetworkStateNotifier.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupMenu.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebRuntimeFeatures.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScriptController.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageEventDispatcher.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebThread.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "ui/base/ui_base_switches.h"
 #include "v8/include/v8.h"
 #include "webkit/extensions/v8/playback_extension.h"
 #include "webkit/glue/webkit_glue.h"
 
+#ifdef HAVE_WEBCOMPOSITOR
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositor.h"
+#endif
+
 // TODO(port)
 #if defined(OS_WIN)
 #include "content/common/child_process_messages.h"
 #else
 #include "base/memory/scoped_handle.h"
 #include "content/common/np_channel_base.h"
 #endif
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 348 matching lines @@
   if (webkit_platform_support_.get())
     return;
 
   v8::V8::SetCounterFunction(base::StatsTable::FindLocation);
   v8::V8::SetCreateHistogramFunction(CreateHistogram);
   v8::V8::SetAddHistogramSampleFunction(AddHistogramSample);
 
   webkit_platform_support_.reset(new RendererWebKitPlatformSupportImpl);
   WebKit::initialize(webkit_platform_support_.get());
 
+#ifdef HAVE_WEBCOMPOSITOR
+  compositor_thread_.reset(
+      webkit_platform_support_->createThread("Compositor"));

[jam, 2011/09/30 02:50:58]

nit: it's a little odd that the webkit embedder calls webkit just so that it can
call the embedder back. why not just include webthread_impl.h directly?

+  WebKit::WebCompositor::setThread(compositor_thread_.get());
+#endif
+
   WebScriptController::enableV8SingleThreadMode();
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   webkit_glue::EnableWebCoreLogChannels(
       command_line.GetSwitchValueASCII(switches::kWebCoreLogChannels));
 
   if (command_line.HasSwitch(switches::kPlaybackMode) ||
       command_line.HasSwitch(switches::kRecordMode) ||
       command_line.HasSwitch(switches::kNoJsRandomness)) {
@@ skipping 273 matching lines @@
 
 void RenderThread::RegisterExtension(v8::Extension* extension) {
   WebScriptController::registerExtension(extension);
   v8_extensions_.insert(extension->name());
 }
 
 bool RenderThread::IsRegisteredExtension(
     const std::string& v8_extension_name) const {
   return v8_extensions_.find(v8_extension_name) != v8_extensions_.end();
 }