Remove RequestAnimationFrame from mojo, add delayed tasks to RunLoop

mojo/services/gles2/command_buffer.mojom

 // 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.
 
 module mojo {
 
 struct CommandBufferState {
   int32 num_entries;
   int32 get_offset;
   int32 put_offset;
@@ skipping 13 matching lines @@
   Initialize(CommandBufferSyncClient sync_client,
              handle<shared_buffer> shared_state);
   SetGetBuffer(int32 buffer);
   Flush(int32 put_offset);
   MakeProgress(int32 last_get_offset);
   RegisterTransferBuffer(
       int32 id, handle<shared_buffer> transfer_buffer, uint32 size);
   DestroyTransferBuffer(int32 id);
   Echo() => ();
 
-  // TODO(piman): move to somewhere else (native_viewport?).
-  RequestAnimationFrames();
-  CancelAnimationFrames();
-
   // TODO(piman): sync points
 };
 
 interface CommandBufferClient {
   DidDestroy();
   LostContext(int32 lost_reason);  // TODO(piman): enum
-
-  // TODO(piman): move to somewhere else (native_viewport?).
-  DrawAnimationFrame();
 };
 
 }