Include Web Notifications on Android at build-time.

chrome/chrome_tests.gypi

 # 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.
 {
   'variables': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 1425 matching lines @@
           ],
           # See comment about the same line in chrome/chrome_tests.gypi.
           'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-ObjC']},
         }],  # OS=="mac"
         ['notifications==0', {
           'sources/': [
             ['exclude', '^browser/notifications/'],
             ['exclude', '^browser/extensions/notifications_apitest.cc'],
           ],
         }],
+        ['OS=="android"', {
+          'sources!': [
+            # Android does not use the message center-based Notification system.
+            'browser/notifications/message_center_notifications_browsertest.cc',
+
+            # TODO(peter): Enable the Notification browser tests.
+            'browser/notifications/notification_browsertest.cc',
+          ]
+        }],
         ['toolkit_views==1', {
           'dependencies': [
             '../ui/views/controls/webview/webview_tests.gyp:webview_test_support',
             '../ui/views/views.gyp:views',
             '../ui/views/views.gyp:views_test_support',
           ],
         }, { # else: toolkit_views == 0
           'sources!': [
             'test/base/view_event_test_base.cc',
             'test/base/view_event_test_base.h',
@@ skipping 1733 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }