Change FrameTreeNode id from int64 to int.

content/browser/loader/resource_dispatcher_host_impl.cc

 // 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 
 #include <algorithm>
 #include <set>
@@ skipping 1832 matching lines @@
 }
 
 void ResourceDispatcherHostImpl::FinishedWithResourcesForRequest(
     net::URLRequest* request) {
   ResourceRequestInfoImpl* info = ResourceRequestInfoImpl::ForRequest(request);
   IncrementOutstandingRequestsCount(-1, info);
 }
 
 void ResourceDispatcherHostImpl::BeginNavigationRequest(
     ResourceContext* resource_context,
-    int64 frame_tree_node_id,
+    int frame_tree_node_id,
     const NavigationRequestInfo& info,
     NavigationURLLoaderImplCore* loader) {
   // PlzNavigate: BeginNavigationRequest currently should only be used for the
   // browser-side navigations project.
   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
 
   ResourceType resource_type = info.is_main_frame ?
       RESOURCE_TYPE_MAIN_FRAME : RESOURCE_TYPE_SUB_FRAME;
 
@@ skipping 480 matching lines @@
 
   // Add a flag to selectively bypass the data reduction proxy if the resource
   // type is not an image.
   if (request_data.resource_type != RESOURCE_TYPE_IMAGE)
     load_flags |= net::LOAD_BYPASS_DATA_REDUCTION_PROXY;
 
   return load_flags;
 }
 
 }  // namespace content