Add isPausedWorker command to Runtime and use it to auto attach DevTools to ServiceWorker.

Source/core/inspector/InspectorRuntimeAgent.cpp

 /*
  * Copyright (C) 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 136 matching lines @@
 
 void InspectorRuntimeAgent::releaseObjectGroup(ErrorString*, const String& objectGroup)
 {
     m_injectedScriptManager->releaseObjectGroup(objectGroup);
 }
 
 void InspectorRuntimeAgent::run(ErrorString*)
 {
 }
 
+void InspectorRuntimeAgent::isPausedWorker(ErrorString*, bool* out_result)
+{
+    *out_result = false;
+}
+
 void InspectorRuntimeAgent::setFrontend(InspectorFrontend* frontend)
 {
     m_frontend = frontend->runtime();
 }
 
 void InspectorRuntimeAgent::clearFrontend()
 {
     m_frontend = 0;
     String errorString;
     disable(&errorString);
@@ skipping 35 matching lines @@
     m_frontend->executionContextCreated(ExecutionContextDescription::create()
         .setId(executionContextId)
         .setIsPageContext(isPageContext)
         .setName(name)
         .setFrameId(frameId)
         .release());
 }
 
 } // namespace WebCore