Navigation transitions: Pass is_transition_navigation flag up to the embedder

content/public/browser/navigation_controller.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_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_
 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 151 matching lines @@
     std::string frame_name;
 
     // Indicates that during this navigation, the session history should be
     // cleared such that the resulting page is the first and only entry of the
     // session history.
     //
     // The clearing is done asynchronously, and completes when this navigation
     // commits.
     bool should_clear_history_list;
 
+    bool is_transition_navigation;

[jam, 2014/07/01 16:14:15]

ditto

+
     explicit LoadURLParams(const GURL& url);
     ~LoadURLParams();
 
     // Allows copying of LoadURLParams struct.
     LoadURLParams(const LoadURLParams& other);
     LoadURLParams& operator=(const LoadURLParams& other);
   };
 
   // Disables checking for a repost and prompting the user. This is used during
   // testing.
@@ skipping 259 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class NavigationControllerImpl;
   NavigationController() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_