Chrome on Android : Begin removing references to themes.

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 2401 matching lines @@
           'sources/': [
             ['exclude', '^browser/printing/'],
             ['exclude', '^browser/themes/'],
             ['exclude', '^browser/ui/panels'],
             ['exclude', '^browser/ui/tabs/'],
             ['exclude', '^browser/ui/toolbar/'],
             ['exclude', '^browser/ui/webui/options/'],
             ['exclude', '^browser/ui/webui/print_preview/'],
           ],
         }],
+        ['enable_themes==0', {
+          'sources!': [
+            'browser/sync/glue/theme_data_type_controller_unittest.cc',
+            'browser/sync/glue/theme_util_unittest.cc',
+            'browser/ui/webui/theme_source_unittest.cc',
+          ],
+          'sources/': [
+            ['exclude', '^browser/themes/'],
+          ],
+        }],
         ['enable_plugin_installation==0', {
           'sources!': [
             'browser/plugin_finder_unittest.cc',
           ],
         }],
         ['toolkit_views==1', {
           'dependencies': [
             '../ui/views/views.gyp:views',
           ],
           'sources!': [
@@ skipping 2117 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'
 }