Replace Context::Scope with ScriptState::Scope

Source/bindings/v8/ScriptDebugServer.h

Index: Source/bindings/v8/ScriptDebugServer.h
diff --git a/Source/bindings/v8/ScriptDebugServer.h b/Source/bindings/v8/ScriptDebugServer.h
index 57a2b609f82a06e30451f1db7b7f7b0459f6d495..90c0e79fb6659b9f8a6dca87ea9a29e5677dbb7d 100644
--- a/Source/bindings/v8/ScriptDebugServer.h
+++ b/Source/bindings/v8/ScriptDebugServer.h
@@ -117,7 +117,7 @@ protected:
     virtual void quitMessageLoopOnPause() = 0;
 
     static void breakProgramCallback(const v8::FunctionCallbackInfo<v8::Value>&);
-    void handleProgramBreak(v8::Handle<v8::Context> pausedContext, v8::Handle<v8::Object> executionState, v8::Handle<v8::Value> exception, v8::Handle<v8::Array> hitBreakpoints);
+    void handleProgramBreak(ScriptState* pausedScriptState, v8::Handle<v8::Object> executionState, v8::Handle<v8::Value> exception, v8::Handle<v8::Array> hitBreakpoints);
 
     static void v8DebugEventCallback(const v8::Debug::EventDetails& eventDetails);
     void handleV8DebugEvent(const v8::Debug::EventDetails& eventDetails);
@@ -129,7 +129,7 @@ protected:
     PauseOnExceptionsState m_pauseOnExceptionsState;
     ScopedPersistent<v8::Object> m_debuggerScript;
     v8::Local<v8::Object> m_executionState;
-    v8::Local<v8::Context> m_pausedContext;
+    RefPtr<ScriptState> m_pausedScriptState;
     bool m_breakpointsActivated;
     ScopedPersistent<v8::FunctionTemplate> m_breakProgramCallbackTemplate;
     HashMap<String, OwnPtr<ScopedPersistent<v8::Script> > > m_compiledScripts;