Change FrameTreeNode id from int64 to int.

chrome/browser/ui/browser_navigator.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 CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_
 #define CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 49 matching lines @@
   NavigateParams(Profile* profile,
                  const GURL& a_url,
                  ui::PageTransition a_transition);
   ~NavigateParams();
 
   // The URL/referrer to be loaded. Ignored if |target_contents| is non-NULL.
   GURL url;
   content::Referrer referrer;
 
   // The browser-global ID of the frame to navigate, or -1 for the main frame.
-  int64 frame_tree_node_id;
+  int frame_tree_node_id;
 
   // Any redirect URLs that occurred for this navigation before |url|.
   // Usually empty.
   std::vector<GURL> redirect_chain;
 
   // Indicates whether this navigation will be sent using POST.
   // The POST method is limited support for basic POST data by leveraging
   // NavigationController::LOAD_TYPE_BROWSER_INITIATED_HTTP_POST.
   // It is not for things like file uploads.
   bool uses_post;
@@ skipping 172 matching lines @@
 // Navigates according to the configuration specified in |params|.
 void Navigate(NavigateParams* params);
 
 // Returns true if the url is allowed to open in incognito window.
 bool IsURLAllowedInIncognito(const GURL& url,
                              content::BrowserContext* browser_context);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_