Support window.opener after a process swap.

content/browser/tab_contents/tab_contents.h

Index: content/browser/tab_contents/tab_contents.h
diff --git a/content/browser/tab_contents/tab_contents.h b/content/browser/tab_contents/tab_contents.h
index 8cb9cfe7e01e398fa661b0fc4f2065ea6b13041b..6f12443594dcfded0fdd22f33b9527653c3b985b 100644
--- a/content/browser/tab_contents/tab_contents.h
+++ b/content/browser/tab_contents/tab_contents.h
@@ -758,13 +758,15 @@ class TabContents : public PageNavigator,
   virtual void ProcessExternalHostMessage(const std::string& message,
                                           const std::string& origin,
                                           const std::string& target);
-  virtual void RunJavaScriptMessage(const std::wstring& message,
+  virtual void RunJavaScriptMessage(const RenderViewHost* rvh,
+                                    const std::wstring& message,
                                     const std::wstring& default_prompt,
                                     const GURL& frame_url,
                                     const int flags,
                                     IPC::Message* reply_msg,
                                     bool* did_suppress_message);
-  virtual void RunBeforeUnloadConfirm(const std::wstring& message,
+  virtual void RunBeforeUnloadConfirm(const RenderViewHost* rvh,
+                                      const std::wstring& message,
                                       IPC::Message* reply_msg);
   virtual GURL GetAlternateErrorPageURL() const;
   virtual RendererPreferences GetRendererPrefs(Profile* profile) const;