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

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 582 matching lines @@
         '../extensions/common/manifest_handlers/shared_module_manifest_unittest.cc',
         '../extensions/common/message_bundle_unittest.cc',
         '../extensions/common/one_shot_event_unittest.cc',
         '../extensions/common/permissions/api_permission_set_unittest.cc',
         '../extensions/common/permissions/manifest_permission_set_unittest.cc',
         '../extensions/common/permissions/permissions_data_unittest.cc',
         '../extensions/common/url_pattern_set_unittest.cc',
         '../extensions/common/url_pattern_unittest.cc',
         '../extensions/common/user_script_unittest.cc',
         '../extensions/renderer/activity_log_converter_strategy_unittest.cc',
+        '../extensions/renderer/api_test_base.cc',
+        '../extensions/renderer/api_test_base.h',
+        '../extensions/renderer/api_test_base_unittest.cc',
         '../extensions/renderer/event_unittest.cc',
         '../extensions/renderer/json_schema_unittest.cc',
         '../extensions/renderer/messaging_utils_unittest.cc',
         '../extensions/renderer/module_system_test.cc',
         '../extensions/renderer/module_system_test.h',
         '../extensions/renderer/module_system_unittest.cc',
         '../extensions/renderer/safe_builtins_unittest.cc',
         '../extensions/renderer/script_context_set_unittest.cc',
         '../extensions/renderer/utils_unittest.cc',
         'app/chrome_dll.rc',
@@ skipping 1415 matching lines @@
         ['OS!="ios"', {
           'dependencies': [
             '../components/components.gyp:autofill_content_test_support',
             '../components/components.gyp:component_metrics_proto',
             '../components/components.gyp:data_reduction_proxy_test_support',
             '../components/components_strings.gyp:components_strings',
             '../device/bluetooth/bluetooth.gyp:device_bluetooth_mocks',
             '../extensions/extensions_resources.gyp:extensions_resources',
             '../extensions/extensions_strings.gyp:extensions_strings',
             '../gpu/gpu.gyp:gpu_unittest_utils',
+            '../mojo/mojo.gyp:mojo_cpp_bindings',
+            '../mojo/mojo.gyp:mojo_js_bindings',
+            '../mojo/mojo.gyp:mojo_js_bindings_lib',
             '../media/media.gyp:media_test_support',
             '../ppapi/ppapi_internal.gyp:ppapi_unittest_shared',
             '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
             '../third_party/libaddressinput/libaddressinput.gyp:libaddressinput',
             '../third_party/libjingle/libjingle.gyp:libjingle',
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber',
             '../tools/json_schema_compiler/test/json_schema_compiler_tests.gyp:json_schema_compiler_tests',
             '../ui/gl/gl.gyp:gl',
             '../v8/tools/gyp/v8.gyp:v8',
             '../webkit/webkit_resources.gyp:webkit_resources',
             'common/extensions/api/api.gyp:chrome_api',
           ],
           # TODO(scr): Use this in browser_tests too.
           'includes': [
             'js_unittest_rules.gypi',
           ],
           'include_dirs': [
             '<(SHARED_INTERMEDIATE_DIR)/chrome',
+            '<(SHARED_INTERMEDIATE_DIR)/content',
           ],
         }, {  # OS=="ios"
           'dependencies': [
             '../third_party/ocmock/ocmock.gyp:ocmock',
           ],
           'sources/': [
             # Exclude everything but iOS-specific files.
             ['exclude', '\\.(cc|mm)$'],
             ['include', '_ios\\.(cc|mm)$'],
             ['include', '(^|/)ios/'],
@@ skipping 859 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }