cc: Move GpuMemoryBufferManager interface to gpu namespace.

cc/test/test_gpu_memory_buffer_manager.h

 // 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.
 
 #ifndef CC_TEST_TEST_GPU_MEMORY_BUFFER_MANAGER_H_
 #define CC_TEST_TEST_GPU_MEMORY_BUFFER_MANAGER_H_
 
-#include "cc/resources/gpu_memory_buffer_manager.h"
+#include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
 
 namespace cc {
 
-class TestGpuMemoryBufferManager : public GpuMemoryBufferManager {
+class TestGpuMemoryBufferManager : public gpu::GpuMemoryBufferManager {
  public:
   TestGpuMemoryBufferManager();
   ~TestGpuMemoryBufferManager() override;
 
-  // Overridden from GpuMemoryBufferManager:
+  // Overridden from gpu::GpuMemoryBufferManager:
   scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
       const gfx::Size& size,
       gfx::GpuMemoryBuffer::Format format,
       gfx::GpuMemoryBuffer::Usage usage) override;
   gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
       ClientBuffer buffer) override;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_GPU_MEMORY_BUFFER_MANAGER_H_