OOPIF: History navigations for new child frames.

third_party/WebKit/public/web/WebFrameClient.h

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 219 matching lines @@
         {
         }
     };
 
     virtual WebNavigationPolicy decidePolicyForNavigation(const NavigationPolicyInfo& info)
     {
         return info.defaultPolicy;
     }
 
     // During a history navigation, we may choose to load new subframes from history as well.
-    // This returns such a history item if appropriate.
-    virtual WebHistoryItem historyItemForNewChildFrame(WebFrame*) { return WebHistoryItem(); }
+    // This returns such a history item if appropriate. Sets shouldLoadRequest to false if
+    // the history item will be handled asynchronously.
+    virtual WebHistoryItem historyItemForNewChildFrame(bool* shouldLoadRequest) { return WebHistoryItem(); }
 
     // Whether the client is handling a navigation request.
     virtual bool hasPendingNavigation(WebLocalFrame*) { return false; }
 
     // Navigational notifications ------------------------------------------
 
     // These notifications bracket any loading that occurs in the WebFrame.
     virtual void didStartLoading(bool toDifferentDocument) { }
     virtual void didStopLoading() { }
 
@@ skipping 436 matching lines @@
     // This method takes ownership of the callbacks pointer.
     virtual void checkIfAudioSinkExistsAndIsAuthorized(const WebString& sinkId, const WebSecurityOrigin&, WebSetSinkIdCallbacks*) { BLINK_ASSERT_NOT_REACHED(); }
 
 protected:
     virtual ~WebFrameClient() { }
 };
 
 } // namespace blink
 
 #endif