Notify RenderWidgets when "tab fullscreen" state changes.

content/browser/renderer_host/render_view_host_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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1136 matching lines @@
   FilterURL(policy, renderer_id, &validated_params.src_url);
   FilterURL(policy, renderer_id, &validated_params.page_url);
   FilterURL(policy, renderer_id, &validated_params.frame_url);
 
   view->ShowContextMenu(validated_params);
 }
 
 void RenderViewHostImpl::OnMsgToggleFullscreen(bool enter_fullscreen) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   delegate_->ToggleFullscreenMode(enter_fullscreen);
+  WasResized();
 }
 
 void RenderViewHostImpl::OnMsgOpenURL(const GURL& url,
                                       const content::Referrer& referrer,
                                       WindowOpenDisposition disposition,
                                       int64 source_frame_id) {
   GURL validated_url(url);
   FilterURL(ChildProcessSecurityPolicyImpl::GetInstance(),
             GetProcess()->GetID(), &validated_url);
 
@@ skipping 554 matching lines @@
   // can cause navigations to be ignored in OnMsgNavigate.
   is_waiting_for_beforeunload_ack_ = false;
   is_waiting_for_unload_ack_ = false;
 }
 
 void RenderViewHostImpl::ClearPowerSaveBlockers() {
   STLDeleteValues(&power_save_blockers_);
 }
 
 }  // namespace content