Revert 258831 "Revert 258727 "Implement ServiceWorker::postMessage()""

content/child/service_worker/web_service_worker_impl.h

Index: content/child/service_worker/web_service_worker_impl.h
diff --git a/content/child/service_worker/web_service_worker_impl.h b/content/child/service_worker/web_service_worker_impl.h
index de6010e212cbb5b8d5f8aefc92f3ae0f3fdba0db..3b8b28d472132ba416fe19e3c9a4b9158b3df796 100644
--- a/content/child/service_worker/web_service_worker_impl.h
+++ b/content/child/service_worker/web_service_worker_impl.h
@@ -6,20 +6,29 @@
 #define CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_IMPL_H_
 
 #include "base/compiler_specific.h"
+#include "base/strings/string16.h"
+#include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 #include "third_party/WebKit/public/platform/WebServiceWorker.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 
 namespace content {
+class ThreadSafeSender;
 
 class WebServiceWorkerImpl
     : NON_EXPORTED_BASE(public blink::WebServiceWorker) {
  public:
-  explicit WebServiceWorkerImpl(int64 registration_id)
-      : registration_id_(registration_id) {}
+  WebServiceWorkerImpl(int64 registration_id,
+                       ThreadSafeSender* thread_safe_sender)
+      : registration_id_(registration_id),
+        thread_safe_sender_(thread_safe_sender) {}
   virtual ~WebServiceWorkerImpl();
 
+  virtual void postMessage(const blink::WebString& message,
+                           blink::WebMessagePortChannelArray* channels);
+
  private:
   int64 registration_id_;
+  ThreadSafeSender* thread_safe_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(WebServiceWorkerImpl);
 };