Upstream support for WebKit shared timer toggling.

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 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_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 710 matching lines @@
 
 int64 RenderThreadImpl::GetIdleNotificationDelayInMs() const {
   return idle_notification_delay_in_ms_;
 }
 
 void RenderThreadImpl::SetIdleNotificationDelayInMs(
     int64 idle_notification_delay_in_ms) {
   idle_notification_delay_in_ms_ = idle_notification_delay_in_ms;
 }
 
+void RenderThreadImpl::ToggleWebKitSharedTimer(bool suspend) {
+  if (suspend_webkit_shared_timer_) {
+    EnsureWebKitInitialized();
+    if (suspend) {
+      webkit_platform_support_->SuspendSharedTimer();
+    } else {
+      webkit_platform_support_->ResumeSharedTimer();
+    }
+  }
+}
+
+void RenderThreadImpl::UpdateHistograms(int sequence_number) {
+  child_histogram_message_filter()->SendHistograms(sequence_number);
+}
+
 void RenderThreadImpl::PostponeIdleNotification() {
   idle_notifications_to_skip_ = 2;
 }
 
 base::WeakPtr<WebGraphicsContext3DCommandBufferImpl>
 RenderThreadImpl::GetGpuVDAContext3D() {
   // If we already handed out a pointer to a context and it's been lost, create
   // a new one.
   if (gpu_vda_context3d_.get() && gpu_vda_context3d_->isContextLost()) {
     if (compositor_thread()) {
@@ skipping 27 matching lines @@
 void RenderThreadImpl::PreCacheFont(const LOGFONT& log_font) {
   Send(new ChildProcessHostMsg_PreCacheFont(log_font));
 }
 
 void RenderThreadImpl::ReleaseCachedFonts() {
   Send(new ChildProcessHostMsg_ReleaseCachedFonts());
 }
 
 #endif  // OS_WIN
 
-void RenderThreadImpl::UpdateHistograms(int sequence_number) {
-  child_histogram_message_filter()->SendHistograms(sequence_number);
-}
-
 bool RenderThreadImpl::IsWebFrameValid(WebKit::WebFrame* web_frame) {
   if (!web_frame)
     return false; // We must be shutting down.
 
   RenderViewImpl* render_view = RenderViewImpl::FromWebView(web_frame->view());
   if (!render_view)
     return false; // We must be shutting down.
 
   return true;
 }
@@ skipping 252 matching lines @@
 
 scoped_refptr<base::MessageLoopProxy>
 RenderThreadImpl::GetFileThreadMessageLoopProxy() {
   DCHECK(message_loop() == MessageLoop::current());
   if (!file_thread_.get()) {
     file_thread_.reset(new base::Thread("Renderer::FILE"));
     file_thread_->Start();
   }
   return file_thread_->message_loop_proxy();
 }