Remove promotion-type-specific JSON handling from NotificationPromo

chrome/chrome_tests.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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 2403 matching lines @@
             'browser/bookmarks/bookmark_node_data_unittest.cc',
             'browser/search_engines/template_url_scraper_unittest.cc',
             'browser/ui/views/bookmarks/bookmark_editor_view_unittest.cc',
             'browser/ui/views/extensions/browser_action_drag_data_unittest.cc',
             'browser/ui/views/first_run_search_engine_view_unittest.cc',
             'test/data/resource.rc',
             '../skia/ext/vector_canvas_unittest.cc',
           ],
         }],
         ['OS=="android"', {
+          'sources': [
+            'browser/web_resource/promo_resource_service_mobile_ntp_unittest.cc',
+          ],
           'sources!': [
             # Bookmark export/import are handled via the BookmarkColumns
             # ContentProvider.
             'browser/bookmarks/bookmark_html_writer_unittest.cc',
 
             'browser/bookmarks/bookmark_context_menu_controller_unittest.cc',
             'browser/shell_integration_unittest.cc',
 
             # No service process (which also requires multiprocess lock).
             'common/multi_process_lock_unittest.cc',
@@ skipping 2261 matching lines @@
                 '--result', '<@(_outputs)',
                 '--isolate', 'browser_tests.isolate',
               ],
             },
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }