| Index: src/factory.cc | 
| diff --git a/src/factory.cc b/src/factory.cc | 
| index 52a194180be30b9c675b83ef45d7ce06f137f45e..cfbd738d91ebd4337989e277c645fc8561666f23 100644 | 
| --- a/src/factory.cc | 
| +++ b/src/factory.cc | 
| @@ -518,7 +518,7 @@ Handle<String> Factory::NewProperSubString(Handle<String> str, | 
| } | 
|  | 
|  | 
| -Handle<String> Factory::NewExternalStringFromAscii( | 
| +MaybeHandle<String> Factory::NewExternalStringFromAscii( | 
| const ExternalAsciiString::Resource* resource) { | 
| CALL_HEAP_FUNCTION( | 
| isolate(), | 
| @@ -527,7 +527,7 @@ Handle<String> Factory::NewExternalStringFromAscii( | 
| } | 
|  | 
|  | 
| -Handle<String> Factory::NewExternalStringFromTwoByte( | 
| +MaybeHandle<String> Factory::NewExternalStringFromTwoByte( | 
| const ExternalTwoByteString::Resource* resource) { | 
| CALL_HEAP_FUNCTION( | 
| isolate(), | 
|  |