[DevTools] Added public method for async execution of scripts

Source/web/ScriptExecutionCallbackImpl.cpp

Index: Source/web/ScriptExecutionCallbackImpl.cpp
diff --git a/Source/web/ScriptExecutionCallbackImpl.cpp b/Source/web/ScriptExecutionCallbackImpl.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2feb14c05835ebf7b37ea2ed7235c6cccab2a8b6
--- /dev/null
+++ b/Source/web/ScriptExecutionCallbackImpl.cpp
@@ -0,0 +1,26 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "web/ScriptExecutionCallbackImpl.h"
+
+#include "public/web/WebScriptExecutionCallback.h"
+
+namespace blink {
+
+ScriptExecutionCallbackImpl::ScriptExecutionCallbackImpl(WebScriptExecutionCallback* callback)
+    : m_callback(callback)
+{
+}
+
+ScriptExecutionCallbackImpl::~ScriptExecutionCallbackImpl()
+{
+}
+
+void ScriptExecutionCallbackImpl::completed(const WebVector<v8::Local<v8::Value> >& results)
+{
+    m_callback->completed(results);
+}
+
+} // namespace blink