Change FrameTreeNode id from int64 to int.

content/browser/frame_host/navigation_controller_impl.cc

 // Copyright 2013 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/frame_host/navigation_controller_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 1305 matching lines @@
   if (entry_index != last_committed_entry_index_) {
     last_committed_entry_index_ = entry_index;
     DiscardNonCommittedEntriesInternal();
     return true;
   }
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kSitePerProcess)) {
     // This may be a "new auto" case where we add a new FrameNavigationEntry, or
     // it may be a "history auto" case where we update an existing one.
-    int64 frame_tree_node_id = rfh->frame_tree_node()->frame_tree_node_id();
+    int frame_tree_node_id = rfh->frame_tree_node()->frame_tree_node_id();
     NavigationEntryImpl* last_committed = GetLastCommittedEntry();
     last_committed->AddOrUpdateFrameEntry(frame_tree_node_id,
                                           rfh->GetSiteInstance(),
                                           params.url,
                                           params.referrer);
   }
 
   // We do not need to discard the pending entry in this case, since we will
   // not generate commit notifications for this auto-subframe navigation.
   return false;
@@ skipping 523 matching lines @@
     }
   }
 }
 
 void NavigationControllerImpl::SetGetTimestampCallbackForTest(
     const base::Callback<base::Time()>& get_timestamp_callback) {
   get_timestamp_callback_ = get_timestamp_callback;
 }
 
 }  // namespace content