Remove RequestAnimationFrame from mojo, add delayed tasks to RunLoop

mojo/services/gles2/command_buffer_impl.cc

Index: mojo/services/gles2/command_buffer_impl.cc
diff --git a/mojo/services/gles2/command_buffer_impl.cc b/mojo/services/gles2/command_buffer_impl.cc
index 3039b6404a82500462dcb916085ea91bb68c1821..8674f121b236cc3dcb1aee8d06979ca4e042be91 100644
--- a/mojo/services/gles2/command_buffer_impl.cc
+++ b/mojo/services/gles2/command_buffer_impl.cc
@@ -170,22 +170,11 @@ void CommandBufferImpl::Echo(const Callback<void()>& callback) {
   callback.Run();
 }
 
-void CommandBufferImpl::RequestAnimationFrames() {
-  timer_.Start(FROM_HERE,
-               base::TimeDelta::FromMilliseconds(16),
-               this,
-               &CommandBufferImpl::DrawAnimationFrame);
-}
-
-void CommandBufferImpl::CancelAnimationFrames() { timer_.Stop(); }
-
 void CommandBufferImpl::OnParseError() {
   gpu::CommandBuffer::State state = command_buffer_->GetLastState();
   client()->LostContext(state.context_lost_reason);
 }
 
-void CommandBufferImpl::DrawAnimationFrame() { client()->DrawAnimationFrame(); }
-
 void CommandBufferImpl::OnResize(gfx::Size size, float scale_factor) {
   surface_->Resize(size);
 }