Move gpu memory calculations to Compositor.

cc/output/output_surface.cc

 // Copyright (c) 2013 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/output/output_surface.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 86 matching lines @@
                                       clip,
                                       viewport_rect_for_tile_priority,
                                       transform_for_tile_priority,
                                       resourceless_software_draw);
 }
 
 OutputSurface::~OutputSurface() {
   if (context_provider_.get()) {
     context_provider_->SetLostContextCallback(
         ContextProvider::LostContextCallback());
-    context_provider_->SetMemoryPolicyChangedCallback(
-        ContextProvider::MemoryPolicyChangedCallback());
   }
 }
 
 bool OutputSurface::HasExternalStencilTest() const {
   return external_stencil_test_enabled_;
 }
 
 bool OutputSurface::BindToClient(OutputSurfaceClient* client) {
   DCHECK(client);
   client_ = client;
   bool success = true;
 
   if (context_provider_.get()) {
     success = context_provider_->BindToCurrentThread();
     if (success) {
       context_provider_->SetLostContextCallback(base::Bind(
           &OutputSurface::DidLoseOutputSurface, base::Unretained(this)));
-      context_provider_->SetMemoryPolicyChangedCallback(
-          base::Bind(&OutputSurface::SetMemoryPolicy, base::Unretained(this)));
     }
   }
 
   if (success && worker_context_provider_.get()) {
     success = worker_context_provider_->BindToCurrentThread();
     if (success)
       worker_context_provider_->SetupLock();
   }
 
   if (!success)
@@ skipping 80 matching lines @@
           aggressively_free_resources);
     }
   }
 }
 
 bool OutputSurface::SurfaceIsSuspendForRecycle() const {
   return false;
 }
 
 }  // namespace cc