Android: Guard off desktop notifications

build/common.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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 726 matching lines @@
         'linux_breakpad%': 0,
 
         # Always uses openssl.
         'use_openssl%': 1,
 
         'proprietary_codecs%': '<(proprietary_codecs)',
         'safe_browsing%': 0,
         'configuration_policy%': 0,
         'input_speech%': 0,
         'java_bridge%': 1,
+
+        # Set to 1 once we have a notification system for Android.
+        # http://crbug.com/115320
         'notifications%': 0,
 
         # Builds the gtest targets as a shared_library.
         # TODO(michaelbai): Use the fixed value 'shared_library' once it
         # is fully supported.
         'gtest_target_type%': '<(gtest_target_type)',
 
         # Uses system APIs for decoding audio and video.
         'use_libffmpeg%': '0',
 
@@ skipping 2051 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }