Add webui handler for promotions on Android NTP.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 4421 matching lines @@
             'browser/component/components.gyp:web_contents_delegate_android',
             'chrome_browser_jni_headers',
           ],
           'sources': [
             'browser/ui/webui/ntp/android/bookmarks_handler.cc',
             'browser/ui/webui/ntp/android/bookmarks_handler.h',
             'browser/ui/webui/ntp/android/context_menu_handler.cc',
             'browser/ui/webui/ntp/android/context_menu_handler.h',
             'browser/ui/webui/ntp/android/partner_bookmarks_shim.cc',
             'browser/ui/webui/ntp/android/partner_bookmarks_shim.h',
+            'browser/ui/webui/ntp/android/promo_handler.cc',
+            'browser/ui/webui/ntp/android/promo_handler.h',
             'browser/web_resource/notification_promo_mobile_ntp.cc',
             'browser/web_resource/notification_promo_mobile_ntp.h',
           ],
           'sources!': [
             'browser/bookmarks/bookmark_context_menu_controller.cc',
             # Bookmark export/import are handled via the BookmarkColumns
             # ContentProvider.
             'browser/bookmarks/bookmark_html_writer.cc',
 
             # Android uses native UI for sync setup.
@@ skipping 583 matching lines @@
           'includes': [ '../build/jni_generator.gypi' ],
           'dependencies': [
             'android_jar_jni_headers',
           ],
         },
       ],
      },
     ],
   ],
 }