Function::GetScriptOrigin should supply sourceURL when script name is not available.

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3717 matching lines @@
 Handle<Value> Function::GetInferredName() const {
   i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
   return Utils::ToLocal(i::Handle<i::Object>(func->shared()->inferred_name()));
 }
 
 
 ScriptOrigin Function::GetScriptOrigin() const {
   i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
   if (func->shared()->script()->IsScript()) {
     i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
+    i::Handle<i::Object> scriptName = GetScriptNameOrSourceURL(script);
     v8::ScriptOrigin origin(
-      Utils::ToLocal(i::Handle<i::Object>(script->name())),
+      Utils::ToLocal(scriptName),
       v8::Integer::New(script->line_offset()->value()),
       v8::Integer::New(script->column_offset()->value()));
     return origin;
   }
   return v8::ScriptOrigin(Handle<Value>());
 }
 
 
 const int Function::kLineOffsetNotFound = -1;
 
@@ skipping 2927 matching lines @@
 
   v->VisitPointers(blocks_.first(), first_block_limit_);
 
   for (int i = 1; i < blocks_.length(); i++) {
     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]);
   }
 }
 
 
 } }  // namespace v8::internal