Build fixes to get use_aura && !use_ash to build.

chrome/chrome_tests.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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 3420 matching lines @@
           # RendererWebKitPlatformSupportImpl, which subclasses stuff in
           # glue, which refers to symbols defined in these files.
           # Hopefully this can be resolved with http://crbug.com/98755.
           'sources': [
             '../content/common/socket_stream_dispatcher.cc',
           ]},
         ],
         ['use_aura==1', {
           'sources!': [
             '../content/browser/plugin_browsertest.cc',
+            '../content/browser/accessibility/dump_accessibility_tree_browsertest.cc',
+            '../content/browser/accessibility/dump_accessibility_tree_helper_win.cc',
+            '../content/browser/accessibility/dump_accessibility_tree_helper.cc',
           ]},
         ],
       ],  # conditions
     },  # target browser_tests
     {
       'target_name': 'browser_tests_run',
       'type': 'none',
       'dependencies': [
         'browser_tests',
       ],
@@ skipping 1281 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }