content: Add RendererScheduler.

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 242a5950a3c6cca3b1b844a75efd806d3955dfcf..53acff11dcd9aea77f20ab97f21eba0ca60adc44 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -50,6 +50,8 @@
 #include "content/renderer/media/webcontentdecryptionmodule_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_clipboard_client.h"
+#include "content/renderer/scheduler/renderer_scheduler.h"
+#include "content/renderer/scheduler/web_scheduler_impl.h"
 #include "content/renderer/screen_orientation/screen_orientation_observer.h"
 #include "content/renderer/webclipboard_impl.h"
 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
@@ -222,7 +224,9 @@ class RendererBlinkPlatformImpl::SandboxSupport
 //------------------------------------------------------------------------------
 
 RendererBlinkPlatformImpl::RendererBlinkPlatformImpl()
-    : clipboard_client_(new RendererClipboardClient),
+    : renderer_scheduler_(new RendererScheduler()),
+      web_scheduler_(new WebSchedulerImpl(renderer_scheduler_.get())),
+      clipboard_client_(new RendererClipboardClient),
       clipboard_(new WebClipboardImpl(clipboard_client_.get())),
       mime_registry_(new RendererBlinkPlatformImpl::MimeRegistry),
       sudden_termination_disables_(0),
@@ -253,6 +257,16 @@ RendererBlinkPlatformImpl::~RendererBlinkPlatformImpl() {
 
 //------------------------------------------------------------------------------
 
+void RendererBlinkPlatformImpl::callOnMainThread(void (*func)(void*),
+                                                 void* context) {
+  renderer_scheduler_->DefaultTaskRunner()
+      ->PostTask(FROM_HERE, base::Bind(func, context));
+}
+
+blink::WebScheduler* RendererBlinkPlatformImpl::scheduler() {
+  return web_scheduler_.get();
+}
+
 blink::WebClipboard* RendererBlinkPlatformImpl::clipboard() {
   blink::WebClipboard* clipboard =
       GetContentClient()->renderer()->OverrideWebClipboard();