Add support for writing unit tests for Mojo-backed apps/extensions APIs.

extensions/extensions.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 517 matching lines @@
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
       'target_name': 'extensions_renderer',
       'type': 'static_library',
       'dependencies': [
         'extensions_resources.gyp:extensions_resources',
         '../chrome/chrome_resources.gyp:chrome_resources',
+        '../content/content_resources.gyp:content_resources',
         '../gin/gin.gyp:gin',
+        '../mojo/mojo.gyp:mojo_js_bindings',
         '../third_party/WebKit/public/blink.gyp:blink',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'renderer/activity_log_converter_strategy.cc',
         'renderer/activity_log_converter_strategy.h',
         'renderer/api_activity_logger.cc',
         'renderer/api_activity_logger.h',
@@ skipping 177 matching lines @@
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
       # TODO(jamescook): Use the same .pak file for both app_shell and
       # extensions_unittests by creating an extensions_resources.pak file
       # that can be used in both places. This will save build time.
       # http://crbug.com/397250
       'target_name': 'extensions_pak',
       'type': 'none',
       'dependencies': [
+        '../content/content_resources.gyp:content_resources',
         '../ui/strings/ui_strings.gyp:ui_strings',
         'extensions_resources.gyp:extensions_resources',
       ],
       'actions': [
         {
           'action_name': 'repack_extensions_pak',
           'variables': {
             'pak_inputs': [
+              '<(SHARED_INTERMEDIATE_DIR)/content/content_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/extensions/extensions_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/extensions/extensions_renderer_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/ui/strings/app_locale_settings_en-US.pak',
               '<(SHARED_INTERMEDIATE_DIR)/ui/strings/ui_strings_en-US.pak',
             ],
             'pak_output': '<(PRODUCT_DIR)/extensions.pak',
           },
           'includes': [ '../build/repack_action.gypi' ],
         },
       ],
     },
     {
       # TODO(tfarina): Many extension unit tests run as part of Chrome's
       # unit_tests target. They should be moved here, which may require some
       # refactoring (ExtensionsBrowserClient, TestingProfile, etc.).
       # http://crbug.com/348066
       'target_name': 'extensions_unittests',
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:test_support_base',
         '../content/content_shell_and_tests.gyp:test_support_content',
+        '../device/serial/serial.gyp:device_serial',
+        '../mojo/mojo.gyp:mojo_environment_chromium',
+        '../mojo/mojo.gyp:mojo_cpp_bindings',
+        '../mojo/mojo.gyp:mojo_js_bindings_lib',
+        '../mojo/mojo.gyp:mojo_system_impl',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         'extensions_common',
         'extensions_pak',
         'extensions_renderer',
         'extensions_resources.gyp:extensions_resources',
         'extensions_strings.gyp:extensions_strings',
         'extensions_test_support',
       ],
       'sources': [
         'browser/process_manager_unittest.cc',
         'common/api/sockets/sockets_manifest_permission_unittest.cc',
         'common/csp_validator_unittest.cc',
         'common/event_filter_unittest.cc',
         'common/id_util_unittest.cc',
         'common/one_shot_event_unittest.cc',
         'common/permissions/manifest_permission_set_unittest.cc',
         'common/user_script_unittest.cc',
+        'renderer/api_test_base.cc',
+        'renderer/api_test_base.h',
+        'renderer/api_test_base_unittest.cc',
         'renderer/event_unittest.cc',
         'renderer/json_schema_unittest.cc',
         'renderer/messaging_utils_unittest.cc',
         'renderer/module_system_test.cc',
         'renderer/module_system_test.h',
         'renderer/module_system_unittest.cc',
         'renderer/safe_builtins_unittest.cc',
         'renderer/utils_unittest.cc',
         'test/extensions_unittests_main.cc',
         'test/test_extensions_client.cc',
@@ skipping 18 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/api/cast_channel/cast_channel.proto' ],
       'variables': {
           'proto_in_dir': 'browser/api/cast_channel',
           'proto_out_dir': 'extensions/browser/api/cast_channel',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ]
 }