Preserve Page::openedByDOM state across process swaps.

content/renderer/render_view_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 164 matching lines @@
 class CONTENT_EXPORT RenderViewImpl
     : public RenderWidget,
       NON_EXPORTED_BASE(public blink::WebViewClient),
       NON_EXPORTED_BASE(public blink::WebFrameClient),
       NON_EXPORTED_BASE(public blink::WebPageSerializerClient),
       public RenderView,
       NON_EXPORTED_BASE(public WebMediaPlayerDelegate),
       public base::SupportsWeakPtr<RenderViewImpl> {
  public:
   // Creates a new RenderView. |opener_id| is the routing ID of the RenderView
-  // responsible for creating this RenderView.
+  // responsible for creating this RenderView. Note that if the original opener
+  // has been closed, |window_was_created_with_opener| will be true and
+  // |opener_id| will be MSG_ROUTING_NONE.
   static RenderViewImpl* Create(int32 opener_id,
+                                bool window_was_created_with_opener,
                                 const RendererPreferences& renderer_prefs,
                                 const WebPreferences& webkit_prefs,
                                 int32 routing_id,
                                 int32 main_frame_routing_id,
                                 int32 surface_id,
                                 int64 session_storage_namespace_id,
                                 const base::string16& frame_name,
                                 bool is_renderer_created,
                                 bool swapped_out,
                                 bool hidden,
@@ skipping 1133 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_