Move gpu memory calculations to Compositor.

ui/compositor/test/in_process_context_provider.h

 // 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.
 
 #ifndef UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
 #define UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 35 matching lines @@
   gpu::ContextSupport* ContextSupport() override;
   class GrContext* GrContext() override;
   void InvalidateGrContext(uint32_t state) override;
   void SetupLock() override;
   base::Lock* GetLock() override;
   void VerifyContexts() override;
   void DeleteCachedResources() override;
   bool DestroyedOnMainThread() override;
   void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) override;
-  void SetMemoryPolicyChangedCallback(
-      const MemoryPolicyChangedCallback& memory_policy_changed_callback)
-      override;
 
  private:
   InProcessContextProvider(
       const gpu::gles2::ContextCreationAttribHelper& attribs,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       gpu::ImageFactory* image_factory,
       gfx::AcceleratedWidget window,
       const std::string& debug_name);
   ~InProcessContextProvider() override;
 
@@ skipping 18 matching lines @@
   bool destroyed_;
 
   base::Lock context_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(InProcessContextProvider);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_