Mojo: Add WebThemeEngine implementation.

mojo/mojo_examples.gypi

 # Copyright 2013 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.
 
 {
   'targets': [
     {
       'target_name': 'mojo_sample_app',
       'type': 'shared_library',
       'dependencies': [
@@ skipping 80 matching lines @@
       },
       'includes': [ 'build/package_app.gypi' ],
     },
     {
       'target_name': 'mojo_html_viewer',
       'type': 'shared_library',
       'dependencies': [
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
         '../third_party/WebKit/public/blink.gyp:blink',
+        '../ui/native_theme/native_theme.gyp:native_theme',
         '../url/url.gyp:url_lib',
         'mojo_application',
         'mojo_cpp_bindings',
         'mojo_environment_chromium',
         'mojo_navigation_bindings',
         'mojo_network_bindings',
         'mojo_launcher_bindings',
         'mojo_system_impl',
         'mojo_utility',
         'mojo_view_manager_lib',
       ],
       'include_dirs': [
         'third_party/WebKit'
       ],
       'sources': [
         'examples/html_viewer/blink_input_events_type_converters.cc',
         'examples/html_viewer/blink_input_events_type_converters.h',
         'examples/html_viewer/blink_platform_impl.cc',
         'examples/html_viewer/blink_platform_impl.h',
         'examples/html_viewer/html_viewer.cc',
         'examples/html_viewer/html_document_view.cc',
         'examples/html_viewer/html_document_view.h',
         'examples/html_viewer/webmimeregistry_impl.cc',
         'examples/html_viewer/webmimeregistry_impl.h',
         'examples/html_viewer/webstoragenamespace_impl.cc',
         'examples/html_viewer/webstoragenamespace_impl.h',
+        'examples/html_viewer/webthemeengine_impl.cc',
+        'examples/html_viewer/webthemeengine_impl.h',
         'examples/html_viewer/webthread_impl.cc',
         'examples/html_viewer/webthread_impl.h',
         'examples/html_viewer/weburlloader_impl.cc',
         'examples/html_viewer/weburlloader_impl.h',
         'public/cpp/application/lib/mojo_main_chromium.cc',
       ],
     },
     {
       'target_name': 'mojo_media_viewer_bindings',
       'type': 'static_library',
@@ skipping 432 matching lines @@
           ],
           'sources': [
             'examples/dbus_echo/dbus_echo_app.cc',
             'public/cpp/application/lib/mojo_main_standalone.cc',
           ],
         },
       ],
     }],
   ],
 }