Always use the WebFrameWidget when attaching the root graphics

content/renderer/render_frame_impl.cc

 // 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 2829 matching lines @@
 void RenderFrameImpl::didChangeOpener(blink::WebFrame* opener) {
   // Only a local frame should be able to update another frame's opener.
   DCHECK(!opener || opener->isWebLocalFrame());
 
   int opener_routing_id = opener ?
       RenderFrameImpl::FromWebFrame(opener->toWebLocalFrame())->GetRoutingID() :
       MSG_ROUTING_NONE;
   Send(new FrameHostMsg_DidChangeOpener(routing_id_, opener_routing_id));
 }
 
-void RenderFrameImpl::frameDetached(blink::WebFrame* frame, DetachType type) {
+void RenderFrameImpl::frameDetached(blink::WebLocalFrame* frame,
+                                    DetachType type) {
   // NOTE: This function is called on the frame that is being detached and not
   // the parent frame.  This is different from createChildFrame() which is
   // called on the parent frame.
   DCHECK_EQ(frame_, frame);
 
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameDetached());
   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
                     FrameDetached(frame));
 
   // We only notify the browser process when the frame is being detached for
@@ skipping 3449 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content