Switch to standard integer types in components/, part 1 of 4.

components/drive/drive_app_registry_unittest.cc

 // Copyright 2014 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.
 
 #include "components/drive/drive_app_registry.h"
 
+#include <stddef.h>
+
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/values.h"
 #include "components/drive/drive_app_registry_observer.h"
 #include "components/drive/service/fake_drive_service.h"
 #include "google_apis/drive/drive_api_parser.h"
 #include "google_apis/drive/test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 198 matching lines @@
       google_apis::test_util::CreateCopyResultCallback(&error));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(error, google_apis::HTTP_NOT_FOUND);
 
   // Check that the number is not changed this time.
   apps_registry_->GetAppList(&apps);
   EXPECT_EQ(original_count - 1, apps.size());
 }
 
 }  // namespace drive