C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}

gyp/common_conditions.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # conditions used in both common.gypi and skia.gyp in chromium
 #
 {
   'defines': [
     'SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=<(skia_static_initializers)',
     'SK_SUPPORT_GPU=<(skia_gpu)',
@@ skipping 399 matching lines @@
         'SK_BUILD_FOR_ANDROID_FRAMEWORK',
         # Optimizations for chromium (m30)
         'GR_GL_CUSTOM_SETUP_HEADER "gl/GrGLConfig_chrome.h"',
         'IGNORE_ROT_AA_RECT_OPT',
         'SK_DEFAULT_FONT_CACHE_LIMIT   (768 * 1024)',
         'SK_DEFAULT_GLOBAL_DISCARDABLE_MEMORY_POOL_SIZE (512 * 1024)',
         'SK_IGNORE_ETC1_SUPPORT',
         # We can't use the skia_shared_library gyp setting because we need expose
         # this define globally and the the implemention define as a cflag.
         'SKIA_DLL',
-        'SK_OVERRIDE override',
+        'override override',
         # Defines from skia_for_android_framework_defines.gypi
         '<@(skia_for_android_framework_defines)',
       ],
     }],
 
     [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "nacl", "chromeos"]',
       {
         'defines': [
           'SK_SAMPLES_FOR_X',
           'SK_BUILD_FOR_UNIX',
@@ skipping 231 matching lines @@
         # add flags here (e.g. SK_SUPPORT_LEGACY_...) needed by moz2d
       ],
     }],
 
   ], # end 'conditions'
   # The Xcode SYMROOT must be at the root. See build/common.gypi in chromium for more details
   'xcode_settings': {
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }