Remove some dead BrowserPlugin and OOPIF compositing code.

content/browser/frame_host/render_widget_host_view_child_frame.cc

 // 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.
 
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/gpu/gpu_messages.h"
@@ skipping 189 matching lines @@
 }
 #endif
 
 void RenderWidgetHostViewChildFrame::AcceleratedSurfaceInitialized(int host_id,
                                                               int route_id) {
 }
 
 void RenderWidgetHostViewChildFrame::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
-  if (frame_connector_)
-    frame_connector_->ChildFrameBuffersSwapped(params, gpu_host_id);
+  NOTREACHED();
 }
 
 void RenderWidgetHostViewChildFrame::AcceleratedSurfacePostSubBuffer(
     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
     int gpu_host_id) {
 }
 
 void RenderWidgetHostViewChildFrame::OnSwapCompositorFrame(
       uint32 output_surface_id,
       scoped_ptr<cc::CompositorFrame> frame) {
@@ skipping 118 matching lines @@
 }
 
 BrowserAccessibilityManager*
 RenderWidgetHostViewChildFrame::CreateBrowserAccessibilityManager(
     BrowserAccessibilityDelegate* delegate) {
   return BrowserAccessibilityManager::Create(
       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
 }
 
 }  // namespace content