JS errors thrown in private scripts should be reported to stderr in Debug builds

Source/bindings/core/v8/PrivateScriptRunner.h

Index: Source/bindings/core/v8/PrivateScriptRunner.h
diff --git a/Source/bindings/core/v8/PrivateScriptRunner.h b/Source/bindings/core/v8/PrivateScriptRunner.h
index 5fdb0bfdb33541897263f4f3f75751eadc501858..1fe6917ac35f06a15def3ac943248dce0d395ade 100644
--- a/Source/bindings/core/v8/PrivateScriptRunner.h
+++ b/Source/bindings/core/v8/PrivateScriptRunner.h
@@ -21,7 +21,7 @@ public:
     static void runDOMAttributeSetter(ScriptState*, String className, String attributeName, v8::Handle<v8::Value> holder, v8::Handle<v8::Value> v8Value);
     static v8::Handle<v8::Value> runDOMMethod(ScriptState*, String className, String methodName, v8::Handle<v8::Value> holder, int argc, v8::Handle<v8::Value> argv[]);
 
-    static bool throwDOMExceptionInPrivateScriptIfNeeded(v8::Isolate*, ExceptionState&, v8::Handle<v8::Value>);
+    static bool rethrowExceptionInPrivateScript(v8::Isolate*, ExceptionState&, v8::TryCatch&);
 };
 
 } // namespace blink