PDF_SINGLETON_ID 2500 content/renderer/pepper/pepper_plugin_instance_impl.cc     case ppapi::PDF_SINGLETON_ID:
PDF_SINGLETON_ID  429 ppapi/proxy/ppb_instance_proxy.cc     case PDF_SINGLETON_ID:
PDF_SINGLETON_ID  438 ppapi/proxy/ppb_instance_proxy.cc     case PDF_SINGLETON_ID:
PDF_SINGLETON_ID   38 ppapi/thunk/ppb_pdf_api.h   static const SingletonResourceID kSingletonResourceID = PDF_SINGLETON_ID;