Change FrameTreeNode id from int64 to int.

content/browser/web_contents/web_contents_impl_browsertest.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 "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/browser/web_contents/web_contents_view.h"
@@ skipping 334 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(WebContentsImplBrowserTest, OpenURLSubframe) {
   // Navigate to a page with frames and grab a subframe's FrameTreeNode ID.
   ASSERT_TRUE(test_server()->Start());
   NavigateToURL(shell(),
                 test_server()->GetURL("files/frame_tree/top.html"));
   WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
   FrameTreeNode* root = wc->GetFrameTree()->root();
   ASSERT_EQ(3UL, root->child_count());
-  int64 frame_tree_node_id = root->child_at(0)->frame_tree_node_id();
+  int frame_tree_node_id = root->child_at(0)->frame_tree_node_id();
   EXPECT_NE(-1, frame_tree_node_id);
 
   // Navigate with the subframe's FrameTreeNode ID.
   const GURL url(test_server()->GetURL("files/title1.html"));
   OpenURLParams params(url, Referrer(), frame_tree_node_id, CURRENT_TAB,
                        ui::PAGE_TRANSITION_LINK, true);
   shell()->web_contents()->OpenURL(params);
 
   // Make sure the NavigationEntry ends up with the FrameTreeNode ID.
   NavigationController* controller = &shell()->web_contents()->GetController();
@@ skipping 315 matching lines @@
   shell()->web_contents()->GetRenderViewHost()->WasResized();
 
   ASSERT_TRUE(ExecuteScript(shell()->web_contents(),
                             "document.title = "
                             " window.matchMedia('(display-mode:"
                             " fullscreen)').matches"));
   EXPECT_EQ(base::ASCIIToUTF16("true"), shell()->web_contents()->GetTitle());
 }
 
 }  // namespace content