Remove RequestAnimationFrame from mojo, add delayed tasks to RunLoop

mojo/examples/pepper_container_app/graphics_3d_resource.cc

 // Copyright 2014 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 "mojo/examples/pepper_container_app/graphics_3d_resource.h"
 
 #include "base/logging.h"
 #include "mojo/examples/pepper_container_app/mojo_ppapi_globals.h"
 #include "mojo/examples/pepper_container_app/plugin_instance.h"
 #include "mojo/public/c/gles2/gles2.h"
@@ skipping 10 matching lines @@
   return error_state;
 }
 
 }  // namespace
 
 Graphics3DResource::Graphics3DResource(PP_Instance instance)
     : Resource(ppapi::OBJECT_IS_IMPL, instance) {
   ScopedMessagePipeHandle pipe = MojoPpapiGlobals::Get()->CreateGLES2Context();
   context_ = MojoGLES2CreateContext(pipe.release().value(),
                                     &ContextLostThunk,
-                                    &DrawAnimationFrameThunk,
                                     this);
 }
 
 bool Graphics3DResource::IsBoundGraphics() const {
   PluginInstance* plugin_instance =
       MojoPpapiGlobals::Get()->GetInstance(pp_instance());
   return plugin_instance && plugin_instance->IsBoundGraphics(pp_resource());
 }
 
 void Graphics3DResource::BindGraphics() {
@@ skipping 105 matching lines @@
 }
 
 Graphics3DResource::~Graphics3DResource() {
   MojoGLES2DestroyContext(context_);
 }
 
 void Graphics3DResource::ContextLostThunk(void* closure) {
   static_cast<Graphics3DResource*>(closure)->ContextLost();
 }
 
-void Graphics3DResource::DrawAnimationFrameThunk(void* closure) {
-  // TODO(yzshen): Use this notification to drive the SwapBuffers() callback.
-}
-
 void Graphics3DResource::ContextLost() {
   PluginInstance* plugin_instance =
       MojoPpapiGlobals::Get()->GetInstance(pp_instance());
   if (plugin_instance)
     plugin_instance->Graphics3DContextLost();
 }
 
 }  // namespace examples
 }  // namespace mojo