Change FrameTreeNode id from int64 to int.

content/browser/loader/navigation_url_loader_impl.cc

 // 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.
 
 #include "content/browser/loader/navigation_url_loader_impl.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "content/browser/frame_host/navigation_request_info.h"
 #include "content/browser/loader/navigation_url_loader_delegate.h"
 #include "content/browser/loader/navigation_url_loader_impl_core.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/stream_handle.h"
 
 namespace content {
 
 NavigationURLLoaderImpl::NavigationURLLoaderImpl(
     BrowserContext* browser_context,
-    int64 frame_tree_node_id,
+    int frame_tree_node_id,
     scoped_ptr<NavigationRequestInfo> request_info,
     NavigationURLLoaderDelegate* delegate)
     : delegate_(delegate),
       weak_factory_(this) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   core_ = new NavigationURLLoaderImplCore(weak_factory_.GetWeakPtr());
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&NavigationURLLoaderImplCore::Start, base::Unretained(core_),
@@ skipping 40 matching lines @@
   delegate_->OnRequestFailed(in_cache, net_error);
 }
 
 void NavigationURLLoaderImpl::NotifyRequestStarted(base::TimeTicks timestamp) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   delegate_->OnRequestStarted(timestamp);
 }
 
 }  // namespace content