Move the remaining NTP realted files to c/b/android/ntp subdir.

chrome/browser/android/new_tab_page_url_handler.h

-// Copyright 2014 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 CHROME_BROWSER_ANDROID_NEW_TAB_PAGE_URL_HANDLER_H_
-#define CHROME_BROWSER_ANDROID_NEW_TAB_PAGE_URL_HANDLER_H_
-
-class GURL;
-
-namespace content {
-class BrowserContext;
-}
-
-namespace chrome {
-namespace android {
-
-// Rewrites old-style Android NTP URLs and legacy bookmark URLs.
-//  - chrome://newtab              -> chrome-native://newtab
-//  - chrome-native://bookmarks/#  -> chrome-native://bookmarks/folder/
-bool HandleAndroidNativePageURL(GURL* url,
-                                content::BrowserContext* browser_context);
-
-}  // namespace android
-}  // namespace chrome
-
-#endif  // CHROME_BROWSER_ANDROID_NEW_TAB_PAGE_URL_HANDLER_H_