gpu: Remove map_image field from gpu::Capabilities.

gpu/command_buffer/common/gpu_control.h

 // Copyright 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 GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_
 #define GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_
 
 #include <vector>
 
 #include "base/callback.h"
-#include "gpu/command_buffer/common/capabilities.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/types.h"
 #include "gpu/gpu_export.h"
 
 namespace gfx {
 class GpuMemoryBuffer;
 }
 
 namespace gpu {
 struct ManagedMemoryStats;
 
 // Common interface for GpuControl implementations.
 class GPU_EXPORT GpuControl {
  public:
   GpuControl() {}
   virtual ~GpuControl() {}
 
-  virtual Capabilities GetCapabilities() = 0;
-
   // Create a gpu memory buffer of the given dimensions and format. Returns
   // its ID or -1 on error.
   virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(
       size_t width,
       size_t height,
       unsigned internalformat,
       int32* id) = 0;
 
   // Destroy a gpu memory buffer. The ID must be positive.
   virtual void DestroyGpuMemoryBuffer(int32 id) = 0;
@@ skipping 21 matching lines @@
   // returns a stream identifier.
   virtual uint32 CreateStreamTexture(uint32 texture_id) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GpuControl);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GPU_CONTROL_H_