Convert view manager to surfaces with uploading shim in client lib

mojo/services/surfaces/surfaces_service_application.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/services/surfaces/surfaces_service_application.h"
 
 #include "cc/surfaces/display.h"
 
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_runner_chromium.h"
 #include "mojo/services/surfaces/surfaces_service_impl.h"
 
 namespace mojo {
 
 SurfacesServiceApplication::SurfacesServiceApplication()
-    : next_id_namespace_(1u), display_(NULL) {
+    : next_id_namespace_(1u), display_(NULL), draw_timer_(false, false) {
 }
 
 SurfacesServiceApplication::~SurfacesServiceApplication() {
 }
 
 bool SurfacesServiceApplication::ConfigureIncomingConnection(
     ApplicationConnection* connection) {
   connection->AddService(this);
   return true;
 }
 
 void SurfacesServiceApplication::Create(
     ApplicationConnection* connection,
     InterfaceRequest<SurfacesService> request) {
   BindToRequest(new SurfacesServiceImpl(&manager_, &next_id_namespace_, this),
                 &request);
 }
 
 void SurfacesServiceApplication::FrameSubmitted() {
-  if (display_)
-    display_->Draw();
+  if (!draw_timer_.IsRunning() && display_) {
+    draw_timer_.Start(FROM_HERE,
+                      base::TimeDelta::FromMilliseconds(17),
+                      base::Bind(base::IgnoreResult(&cc::Display::Draw),
+                                 base::Unretained(display_)));
+  }
 }
 
 void SurfacesServiceApplication::SetDisplay(cc::Display* display) {
   display_ = display;
 }
 
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunnerChromium runner(new mojo::SurfacesServiceApplication);
   return runner.Run(shell_handle);
 }