Update V8 to r3121 as required for WebKit update.

Change-Id: Ic53e0aef9a9eb9b71ee7d25a8aef61520bba899c
diff --git a/test/mjsunit/debug-scripts-request.js b/test/mjsunit/debug-scripts-request.js
index 80b3bce..41bff0e 100644
--- a/test/mjsunit/debug-scripts-request.js
+++ b/test/mjsunit/debug-scripts-request.js
@@ -60,7 +60,7 @@
   try {
   if (event == Debug.DebugEvent.Break) {
     // Get the debug command processor.
-    var dcp = exec_state.debugCommandProcessor();
+    var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
 
     // Test illegal scripts requests.
     testArguments(dcp, '{"types":"xx"}', false);