gpu: Remove map_image field from gpu::Capabilities.

ppapi/proxy/ppapi_command_buffer_proxy.cc

 // Copyright (c) 2012 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 "ppapi/proxy/ppapi_command_buffer_proxy.h"
 
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/proxy_channel.h"
 #include "ppapi/shared_impl/api_id.h"
 #include "ppapi/shared_impl/host_resource.h"
@@ skipping 226 matching lines @@
 
 void PpapiCommandBufferProxy::SetSurfaceVisible(bool visible) {
   NOTREACHED();
 }
 
 void PpapiCommandBufferProxy::SendManagedMemoryStats(
     const gpu::ManagedMemoryStats& stats) {
   NOTREACHED();
 }
 
-gpu::Capabilities PpapiCommandBufferProxy::GetCapabilities() {
-  // TODO(boliu): Need to implement this to use cc in Pepper. Tracked in
-  // crbug.com/325391.
-  return gpu::Capabilities();
-}
-
 gfx::GpuMemoryBuffer* PpapiCommandBufferProxy::CreateGpuMemoryBuffer(
     size_t width,
     size_t height,
     unsigned internalformat,
     int32* id) {
   NOTREACHED();
   return NULL;
 }
 
 void PpapiCommandBufferProxy::DestroyGpuMemoryBuffer(int32 id) {
@@ skipping 20 matching lines @@
       last_state_ = state;
     }
   } else {
     last_state_.error = gpu::error::kLostContext;
     ++last_state_.generation;
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi