Support window.opener after a process swap.

content/browser/renderer_host/render_view_host.h

Index: content/browser/renderer_host/render_view_host.h
diff --git a/content/browser/renderer_host/render_view_host.h b/content/browser/renderer_host/render_view_host.h
index c9e7027eef851e44ec3c8e053e9dbfb95e8ec08c..cc3741266aeba77db29639b0dcd3d808c55d5a73 100644
--- a/content/browser/renderer_host/render_view_host.h
+++ b/content/browser/renderer_host/render_view_host.h
@@ -161,27 +161,39 @@ class RenderViewHost : public RenderWidgetHost {
   // are_navigations_suspended() first.
   void SetNavigationsSuspended(bool suspend);
 
+  // Clears any suspended navigation state after a cross-site navigation is
+  // canceled or suspended.  This is important if we later return to this
+  // RenderViewHost.
+  void CancelSuspendedNavigations();
+
+  // Whether this RenderViewHost has been swapped out to be displayed by a
+  // different process.
+  bool is_swapped_out() const { return is_swapped_out_; }
+
   // Causes the renderer to invoke the onbeforeunload event handler.  The
-  // result will be returned via ViewMsg_ShouldClose. See also ClosePage which
-  // will fire the PageUnload event.
+  // result will be returned via ViewMsg_ShouldClose. See also ClosePage and
+  // SwapOut, which fire the PageUnload event.
   //
   // Set bool for_cross_site_transition when this close is just for the current
   // RenderView in the case of a cross-site transition. False means we're
   // closing the entire tab.
   void FirePageBeforeUnload(bool for_cross_site_transition);
 
+  // Tells the renderer that this RenderView is being swapped out for one in a
+  // different renderer process.  The renderer should preserve the Frame object
+  // until it exits (when it has no more active RenderViews).
+  //
+  // Please see ViewMsg_SwapOut_Params in view_messages.h for a description
+  // of the parameters.
+  void SwapOut(int new_render_process_host_id, int new_request_id);
+
+  // Called by ResourceDispatcherHost after the SwapOutACK is received.
+  void OnSwapOutACK();
+
   // Causes the renderer to close the current page, including running its
   // onunload event handler.  A ClosePage_ACK message will be sent to the
   // ResourceDispatcherHost when it is finished.
-  //
-  // Please see ViewMsg_ClosePage in resource_messages_internal.h for a
-  // description of the parameters.
-  void ClosePage(bool for_cross_site_transition,
-                 int new_render_process_host_id,
-                 int new_request_id);
-
-  // Called by ResourceDispatcherHost after the ClosePageACK is received.
-  void OnClosePageACK(bool for_cross_site_transition);
+  void ClosePage();
 
   // Close the page ignoring whether it has unload events registers.
   // This is called after the beforeunload and unload events have fired
@@ -531,6 +543,25 @@ class RenderViewHost : public RenderWidgetHost {
   void OnMsgDidStartLoading();
   void OnMsgDidStopLoading();
   void OnMsgDidChangeLoadProgress(double load_progress);
+  void OnMsgDidStartProvisionalLoadForFrame(int64 frame_id,
+                                            bool main_frame,
+                                            const GURL& url);
+  void OnMsgDidRedirectProvisionalLoad(int32 page_id,
+                                       const GURL& source_url,
+                                       const GURL& target_url);
+  void OnMsgDidFailProvisionalLoadWithError(int64 frame_id,
+                                            bool main_frame,
+                                            int error_code,
+                                            const GURL& url,
+                                            bool showing_repost_interstitial);
+  void OnMsgDidLoadResourceFromMemoryCache(const GURL& url,
+                                           const std::string& security_info);
+  void OnMsgDidDisplayInsecureContent();
+  void OnMsgDidRunInsecureContent(const std::string& security_origin,
+                                  const GURL& target_url);
+  void OnMsgDocumentLoadedInFrame(int64 frame_id);
+  void OnMsgDidFinishLoad(int64 frame_id);
+  void OnMsgUpdateContentRestrictions(int restrictions);
   void OnMsgDocumentAvailableInMainFrame();
   void OnMsgDocumentOnLoadCompletedInMainFrame(int32 page_id);
   void OnMsgUpdateFaviconURL(int32 page_id, const GURL& icon_url);
@@ -575,6 +606,7 @@ class RenderViewHost : public RenderWidgetHost {
   void OnUpdateInspectorSetting(const std::string& key,
                                 const std::string& value);
   void OnMsgShouldCloseACK(bool proceed);
+  void OnMsgClosePageACK();
 
   void OnAccessibilityNotifications(
       const std::vector<ViewHostMsg_AccessibilityNotification_Params>& params);
@@ -637,6 +669,10 @@ class RenderViewHost : public RenderWidgetHost {
   // navigation occurs.
   scoped_ptr<ViewMsg_Navigate> suspended_nav_message_;
 
+  // Whether this RenderViewHost is currently swapped out, such that the view is
+  // being rendered by another process.
+  bool is_swapped_out_;
+
   // If we were asked to RunModal, then this will hold the reply_msg that we
   // must return to the renderer to unblock it.
   IPC::Message* run_modal_reply_msg_;