Remove some dead BrowserPlugin and OOPIF compositing code.

content/browser/frame_host/render_widget_host_view_guest.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 "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/frame_host/render_widget_host_view_guest.h"
@@ skipping 178 matching lines @@
 }
 
 void RenderWidgetHostViewGuest::SetTooltipText(
     const base::string16& tooltip_text) {
   platform_view_->SetTooltipText(tooltip_text);
 }
 
 void RenderWidgetHostViewGuest::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
-  if (!guest_)
-    return;
-
-  FrameMsg_BuffersSwapped_Params guest_params;
-  guest_params.size = params.size;
-  guest_params.mailbox = params.mailbox;
-  guest_params.gpu_route_id = params.route_id;
-  guest_params.gpu_host_id = gpu_host_id;
-  guest_->SendMessageToEmbedder(
-      new BrowserPluginMsg_BuffersSwapped(guest_->browser_plugin_instance_id(),
-                                          guest_params));
+  NOTREACHED();
 }
 
 void RenderWidgetHostViewGuest::AcceleratedSurfacePostSubBuffer(
     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
     int gpu_host_id) {
   NOTREACHED();
 }
 
 void RenderWidgetHostViewGuest::OnSwapCompositorFrame(
     uint32 output_surface_id,
@@ skipping 384 matching lines @@
   }
 
   if (blink::WebInputEvent::isGestureEventType(event->type)) {
     host_->ForwardGestureEvent(
         *static_cast<const blink::WebGestureEvent*>(event));
     return;
   }
 }
 
 }  // namespace content