[Sync] Componentize SyncApiComponentFactoryMock

Moves and renames the ProfileSyncComponentsFactoryMock into SyncApiComponentFactoryMock
(which is what it had become anyways).

BUG=512768
[email protected]

Review URL: https://codereview.chromium.org/1399583002

Cr-Commit-Position: refs/heads/master@{#353379}
diff --git a/components/sync_driver.gypi b/components/sync_driver.gypi
index 40a25d12..30d29f5 100644
--- a/components/sync_driver.gypi
+++ b/components/sync_driver.gypi
@@ -211,6 +211,8 @@
         'sync_driver/non_frontend_data_type_controller_mock.h',
         'sync_driver/non_ui_data_type_controller_mock.cc',
         'sync_driver/non_ui_data_type_controller_mock.h',
+        'sync_driver/sync_api_component_factory_mock.cc',
+        'sync_driver/sync_api_component_factory_mock.h',
       ],
     },
   ],