Exclude accelerated_surface_win from aura builds. Fixes bustage.

ui/gfx/surface/surface.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
 
   'target_defaults': {
@@ skipping 28 matching lines @@
         'surface_export.h',
         'transport_dib.h',
         'transport_dib_android.cc',
         'transport_dib_linux.cc',
         'transport_dib_mac.cc',
         'transport_dib_win.cc',
       ],
       'defines': [
         'SURFACE_IMPLEMENTATION',
       ],
+      'conditions': [
+        ['use_aura==1', {
+          'sources/': [
+            ['exclude', 'accelerated_surface_win.cc'],
+            ['exclude', 'accelerated_surface_win.h'],
+          ],
+        }],
+      ],
     },
   ],
 }