Invalidate the previous frame when the window object is cleared.

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 "base/auto_reset.h"
@@ skipping 3037 matching lines @@
   DCHECK(!frame_ || frame_ == frame);
   GetContentClient()->renderer()->DidCreateScriptContext(
       frame, context, extension_group, world_id);
 }
 
 void RenderFrameImpl::willReleaseScriptContext(blink::WebLocalFrame* frame,
                                                v8::Handle<v8::Context> context,
                                                int world_id) {
   DCHECK(!frame_ || frame_ == frame);
 
+  FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
+                    WillReleaseScriptContext(frame, context, world_id));
   FOR_EACH_OBSERVER(RenderFrameObserver,
                     observers_,
                     WillReleaseScriptContext(context, world_id));
 }
 
 void RenderFrameImpl::didFirstVisuallyNonEmptyLayout(
     blink::WebLocalFrame* frame) {
   DCHECK(!frame_ || frame_ == frame);
   if (frame->parent())
     return;
@@ skipping 1081 matching lines @@
 
 #if defined(ENABLE_BROWSER_CDMS)
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 #endif  // defined(ENABLE_BROWSER_CDMS)
 
 }  // namespace content