Enable accelerated WebKit compositor for Aura.

content/content_common.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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../build/temp_gyp/googleurl.gyp:googleurl',
     '../gpu/gpu.gyp:gpu_ipc',
     '../ipc/ipc.gyp:ipc',
@@ skipping 282 matching lines @@
       'dependencies': [
         '../build/linux/system.gyp:pangocairo',
       ],
     }],
     ['use_x11 == 1 and target_arch != "arm"', {
       'sources': [
         'common/gpu/x_util.cc',
         'common/gpu/x_util.h',
       ],
     }],
-    ['touchui==1', {
+    ['views_gpu_image_transport==1', {
       'sources': [
         'common/gpu/image_transport_surface.cc',
         'common/gpu/image_transport_surface_linux.cc',
       ],
       'include_dirs': [
         '<(DEPTH)/third_party/angle/include',
       ],
       'link_settings': {
         'libraries': [
           '-lXcomposite',
@@ skipping 21 matching lines @@
       ],
       'link_settings': {
         'libraries': [
           '-lEGL',
           '-lGLESv2',
         ],
       },
     }],
   ],
 }