Disable the ACCELERATED_2D_CANVAS build flag on mac

build/features_override.gypi

 # Copyright (c) 2011 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.
 
 # This file is only included in full-chromium builds, and overrides the
 # feature_defines variable in
 # third_party/WebKit/Source/WebKit/chromium/features.gypi.
 {
   'variables': {
     # WARNING: This list of strings completely replaces the list in
@@ skipping 78 matching lines @@
     },
     'use_accelerated_compositing%': '<(use_accelerated_compositing)',
     'use_threaded_compositing%': '<(use_threaded_compositing)',
     'enable_svg%': '<(enable_svg)',
     'enable_touch_events%': '<(enable_touch_events)',
     'conditions': [
       ['use_accelerated_compositing==1', {
         'feature_defines': [
           'WTF_USE_ACCELERATED_COMPOSITING=1',
           'ENABLE_3D_RENDERING=1',
+        ],
+        'use_accelerated_compositing': 1,

[M-A Ruel, 2011/05/31 19:53:08]

That line is necessary?

[Mark Mentovai, 2011/05/31 20:01:21]

Marc-Antoine Ruel wrote:
I don’t think it is.

+      }],
+      ['use_accelerated_compositing==1 and OS!="mac"', {
+        'feature_defines': [
           'ENABLE_ACCELERATED_2D_CANVAS=1',
         ],
-        'use_accelerated_compositing': 1,
       }],
       ['use_accelerated_compositing==1 and use_threaded_compositing==1', {
         'feature_defines': [
           'WTF_USE_THREADED_COMPOSITING=1',
         ],
         'use_threaded_compositing': 1,
       }],
       # TODO(crogers): For the moment Windows is only enabled for
       # Google-branded build, since the FFmpeg DLLs need to be re-built
       # for chromium.
@@ skipping 19 matching lines @@
     # require changes in gyp.
   },
 
 }
 
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