Make the Isolate parameter mandatory for internal HandleScopes.

src/messages.h

Index: src/messages.h
diff --git a/src/messages.h b/src/messages.h
index 358509ec3b90641657d99e8e1914c73d54f3caa9..52dc4fe87db6f167c2dfd5d7470961b7a8f2c626 100644
--- a/src/messages.h
+++ b/src/messages.h
@@ -102,10 +102,12 @@ class MessageHandler {
                             MessageLocation* loc,
                             Handle<Object> message);
 
-  static void DefaultMessageReport(const MessageLocation* loc,
+  static void DefaultMessageReport(Isolate* isolate,
+                                   const MessageLocation* loc,
                                    Handle<Object> message_obj);
   static Handle<String> GetMessage(Handle<Object> data);
-  static SmartArrayPointer<char> GetLocalizedMessage(Handle<Object> data);
+  static SmartArrayPointer<char> GetLocalizedMessage(Isolate* isolate,
+                                                     Handle<Object> data);
 };
 
 } }  // namespace v8::internal