Convert view manager to surfaces with uploading shim in client lib

cc/surfaces/surface_factory.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 "cc/surfaces/surface_factory.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
 SurfaceFactory::SurfaceFactory(SurfaceManager* manager,
                                SurfaceFactoryClient* client)
     : manager_(manager), client_(client), holder_(client) {
 }
 
 SurfaceFactory::~SurfaceFactory() {
-  DCHECK_EQ(0u, surface_map_.size());
 }
 
 void SurfaceFactory::Create(SurfaceId surface_id, const gfx::Size& size) {
   scoped_ptr<Surface> surface(new Surface(surface_id, size, this));
   manager_->RegisterSurface(surface.get());
   DCHECK(!surface_map_.count(surface_id));
   surface_map_.add(surface_id, surface.Pass());
 }
 
 void SurfaceFactory::Destroy(SurfaceId surface_id) {
@@ skipping 33 matching lines @@
 
 void SurfaceFactory::RefResources(const TransferableResourceArray& resources) {
   holder_.RefResources(resources);
 }
 
 void SurfaceFactory::UnrefResources(const ReturnedResourceArray& resources) {
   holder_.UnrefResources(resources);
 }
 
 }  // namespace cc