Make exception thrown via v8 public API propagate to v8::TryCatch as JS thrown exceptions do.

src/debug.cc

Index: src/debug.cc
diff --git a/src/debug.cc b/src/debug.cc
index 10b8b4a9a6d57b5a1b443db1439e418c1c1c2291..f08c253a597d4df81212a958644829e6b9d68edf 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -808,7 +808,7 @@ bool Debug::CompileDebuggerScript(int index) {
     Handle<Object> message = MessageHandler::MakeMessageObject(
         "error_loading_debugger", NULL, Vector<Handle<Object> >::empty(),
         Handle<String>(), Handle<JSArray>());
-    MessageHandler::ReportMessage(NULL, message);
+    MessageHandler::ReportMessage(Isolate::Current(), NULL, message);
     return false;
   }