AsIOThreadExtensionFunction  103 extensions/browser/extension_function.h   virtual IOThreadExtensionFunction* AsIOThreadExtensionFunction();
AsIOThreadExtensionFunction  378 extensions/browser/extension_function.h   virtual IOThreadExtensionFunction* AsIOThreadExtensionFunction() OVERRIDE;
AsIOThreadExtensionFunction  250 extensions/browser/extension_function_dispatcher.cc       function->AsIOThreadExtensionFunction();