Fix toV8 and ExceptionState with empty context.

Source/bindings/v8/ScriptDebugServer.cpp

 /*
  * Copyright (c) 2010-2011 Google Inc. 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
@@ skipping 329 matching lines @@
     v8::HandleScope scope(m_isolate);
     v8::Handle<v8::Context> pausedContext = m_pausedContext.IsEmpty() ? m_isolate->GetCurrentContext() : m_pausedContext;
     if (pausedContext.IsEmpty())
         return ScriptValue();
 
     RefPtr<JavaScriptCallFrame> currentCallFrame = wrapCallFrames(0, scopeDetails);
     if (!currentCallFrame)
         return ScriptValue();
 
     v8::Context::Scope contextScope(pausedContext);
-    return ScriptValue(ScriptState::from(pausedContext), toV8(currentCallFrame.release(), v8::Handle<v8::Object>(), pausedContext->GetIsolate()));
+    return ScriptValue(ScriptState::from(pausedContext), toV8(currentCallFrame.release(), pausedContext->Global(), pausedContext->GetIsolate()));
 }
 
 ScriptValue ScriptDebugServer::currentCallFrames()
 {
     return currentCallFramesInner(AllScopes);
 }
 
 ScriptValue ScriptDebugServer::currentCallFramesForAsyncStack()
 {
     return currentCallFramesInner(FastAsyncScopes);
@@ skipping 257 matching lines @@
 {
     return PassOwnPtr<ScriptSourceCode>();
 }
 
 String ScriptDebugServer::preprocessEventListener(LocalFrame*, const String& source, const String& url, const String& functionName)
 {
     return source;
 }
 
 } // namespace WebCore