Cross-process postMessage

content/browser/tab_contents/navigation_entry.h

 // Copyright (c) 2011 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_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_
 #pragma once
 
 #include <string>
 
@@ skipping 313 matching lines @@
   }
 
   // Extra headers (separated by \n) to send during the request.
   void set_extra_headers(const std::string& extra_headers) {
     extra_headers_ = extra_headers;
   }
   const std::string& extra_headers() const {
     return extra_headers_;
   }
 
+  // Used to support swapouts of frames with non-null openers.
+  void set_opener_content_frame_id(int64 id) {
+    opener_content_frame_id_ = id;
+  }
+
+  int64 opener_content_frame_id() const {
+    return opener_content_frame_id_;
+  }
+
   // Page-related helpers ------------------------------------------------------
 
   // Returns the title to be displayed on the tab. This could be the title of
   // the page if it is available or the URL. |languages| is the list of
   // accpeted languages (e.g., prefs::kAcceptLanguages) or empty if proper
   // URL formatting isn't needed (e.g., unit tests).
   const string16& GetTitleForDisplay(const std::string& languages) const;
 
   // Returns true if the current tab is in view source mode. This will be false
   // if there is no navigation.
@@ skipping 120 matching lines @@
 
   // In case a navigation is transferred to a new RVH but the request has
   // been generated in the renderer already, this identifies the old request so
   // that it can be resumed. The old request is stored until the
   // ResourceDispatcher receives the navigation from the renderer which
   // carries this |transferred_global_request_id_| annotation. Once the request
   // is transferred to the new process, this is cleared and the request
   // continues as normal.
   GlobalRequestID transferred_global_request_id_;
 
+  // If we're navigating a frame that should have an opener (such as when we
+  // open a cross-process pop-up window), we store the content frame id of the
+  // expected opener here so that we can re-create it if needed. If the frame
+  // does not have an opener, this is -1. This is not persisted because
+  // scripting connections are not currently persisted.
+  int64 opener_content_frame_id_;
+
   // Copy and assignment is explicitly allowed for this class.
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_