Move navigation and frame tree classes to a new frame_host/ directory.

content/browser/web_contents/debug_urls.h

Index: content/browser/web_contents/debug_urls.h
diff --git a/content/browser/web_contents/debug_urls.h b/content/browser/web_contents/debug_urls.h
deleted file mode 100644
index 79da209c53a98643925d0c036ceefcf881b976c5..0000000000000000000000000000000000000000
--- a/content/browser/web_contents/debug_urls.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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.
-
-#ifndef CONTENT_BROWSER_WEB_CONTENTS_DEBUG_URLS_H_
-#define CONTENT_BROWSER_WEB_CONTENTS_DEBUG_URLS_H_
-
-#include "content/public/common/page_transition_types.h"
-
-class GURL;
-
-namespace content {
-
-// Checks if the given url is a url used for debugging purposes, and if so
-// handles it and returns true.
-bool HandleDebugURL(const GURL& url, PageTransition transition);
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_WEB_CONTENTS_DEBUG_URLS_H_