Change FrameTreeNode id from int64 to int.

content/browser/frame_host/frame_tree.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/frame_tree.h"
 
 #include <queue>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/browser/frame_host/render_frame_host_factory.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/frame_host/render_frame_proxy_host.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 
 namespace content {
 
 namespace {
 
 // Used with FrameTree::ForEach() to search for the FrameTreeNode
 // corresponding to |frame_tree_node_id| within a specific FrameTree.
-bool FrameTreeNodeForId(int64 frame_tree_node_id,
+bool FrameTreeNodeForId(int frame_tree_node_id,
                         FrameTreeNode** out_node,
                         FrameTreeNode* node) {
   if (node->frame_tree_node_id() == frame_tree_node_id) {
     *out_node = node;
     // Terminate iteration once the node has been found.
     return false;
   }
   return true;
 }
 
@@ skipping 71 matching lines @@
                               render_widget_delegate,
                               manager_delegate,
                               std::string())),
       focused_frame_tree_node_id_(-1),
       load_progress_(0.0) {
 }
 
 FrameTree::~FrameTree() {
 }
 
-FrameTreeNode* FrameTree::FindByID(int64 frame_tree_node_id) {
+FrameTreeNode* FrameTree::FindByID(int frame_tree_node_id) {
   FrameTreeNode* node = nullptr;
   ForEach(base::Bind(&FrameTreeNodeForId, frame_tree_node_id, &node));
   return node;
 }
 
 FrameTreeNode* FrameTree::FindByRoutingID(int process_id, int routing_id) {
   RenderFrameHostImpl* render_frame_host =
       RenderFrameHostImpl::FromID(process_id, routing_id);
   if (render_frame_host) {
     FrameTreeNode* result = render_frame_host->frame_tree_node();
@@ skipping 258 matching lines @@
   load_progress_ = 0.0;
 }
 
 bool FrameTree::IsLoading() {
   bool is_loading = false;
   ForEach(base::Bind(&IsNodeLoading, &is_loading));
   return is_loading;
 }
 
 }  // namespace content