CheckOnThread     404 ppapi/proxy/ppapi_proxy_test.cc   thiz->CheckOnThread(SECONDARY_THREAD);
CheckOnThread     214 ppapi/proxy/ppapi_proxy_test.h   void CheckOnThread(ThreadType thread_type);
CheckOnThread      82 ppapi/shared_impl/thread_aware_callback_unittest.cc     thiz->CheckOnThread(MAIN_THREAD);