gpu: Remove Create/DeleteImage IPC by adding an X11_PIXMAP_BUFFER GpuMemoryBuffer type.

content/renderer/render_thread_impl.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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 1191 matching lines @@
       init_params,
       route_id,
       &succeeded);
 
   // Allow calling this from the compositor thread.
   thread_safe_sender()->Send(message);
 
   return succeeded;
 }
 
-void RenderThreadImpl::CreateImage(
-    gfx::PluginWindowHandle window,
-    int32 image_id,
-    const CreateImageCallback& callback) {
-  NOTREACHED();
-}
-
-void RenderThreadImpl::DeleteImage(int32 image_id, int32 sync_point) {
-  NOTREACHED();
-}
-
 scoped_ptr<gfx::GpuMemoryBuffer> RenderThreadImpl::AllocateGpuMemoryBuffer(
     size_t width,
     size_t height,
     unsigned internalformat,
     unsigned usage) {
   DCHECK(allocate_gpu_memory_buffer_thread_checker_.CalledOnValidThread());
 
   if (!GpuMemoryBufferImpl::IsFormatValid(internalformat))
     return scoped_ptr<gfx::GpuMemoryBuffer>();
 
@@ skipping 347 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content