Drive: Move inner structures of DriveAPIService under drive namespace.

chrome/browser/sync_file_system/drive_backend/sync_engine_initializer_unittest.cc

Index: chrome/browser/sync_file_system/drive_backend/sync_engine_initializer_unittest.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/sync_engine_initializer_unittest.cc b/chrome/browser/sync_file_system/drive_backend/sync_engine_initializer_unittest.cc
index 06e3ba165a275aaa5c59bc935185beb3c04fc0f1..f4b3c25f58e2fed17adea5a9b5c69d4cba43eda2 100644
--- a/chrome/browser/sync_file_system/drive_backend/sync_engine_initializer_unittest.cc
+++ b/chrome/browser/sync_file_system/drive_backend/sync_engine_initializer_unittest.cc
@@ -134,8 +134,7 @@ class SyncEngineInitializerTest : public testing::Test {
     google_apis::DriveApiErrorCode error = google_apis::DRIVE_OTHER_ERROR;
     scoped_ptr<google_apis::FileResource> entry;
     sync_context_->GetDriveService()->AddNewDirectory(
-        parent_folder_id, title,
-        drive::DriveServiceInterface::AddNewDirectoryOptions(),
+        parent_folder_id, title, drive::AddNewDirectoryOptions(),
         CreateResultReceiver(&error, &entry));
     base::RunLoop().RunUntilIdle();