Change FrameTreeNode id from int64 to int.

content/browser/loader/navigation_url_loader_impl.h

 // Copyright 2014 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_LOADER_NAVIGATION_URL_LOADER_IMPL_H_
 #define CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "content/browser/loader/navigation_url_loader.h"
 
 namespace net {
 struct RedirectInfo;
 }
 
 namespace content {
 
 class NavigationURLLoaderImplCore;
 class StreamHandle;
 struct ResourceResponse;
 
 class NavigationURLLoaderImpl : public NavigationURLLoader {
  public:
   // The caller is responsible for ensuring that |delegate| outlives the loader.
   NavigationURLLoaderImpl(BrowserContext* browser_context,
-                          int64 frame_tree_node_id,
+                          int frame_tree_node_id,
                           scoped_ptr<NavigationRequestInfo> request_info,
                           NavigationURLLoaderDelegate* delegate);
   ~NavigationURLLoaderImpl() override;
 
   // Called in response to OnRequestRedirected to continue processing the
   // request.
   void FollowRedirect() override;
 
  private:
   friend class NavigationURLLoaderImplCore;
@@ skipping 20 matching lines @@
   NavigationURLLoaderImplCore* core_;
 
   base::WeakPtrFactory<NavigationURLLoaderImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_