Use UUID for ServiceWorker Client identifier (1/3, blink)

Source/web/ServiceWorkerGlobalScopeClientImpl.cpp

Index: Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
diff --git a/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp b/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
index 83d1ed703b91d0ec061ae8d4e7b248b80c0a2fe8..65f553358ed01628f9d6d53de1544abfaea7fe64 100644
--- a/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
+++ b/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
@@ -123,6 +123,11 @@ void ServiceWorkerGlobalScopeClientImpl::postMessageToClient(int clientID, const
     m_client.postMessageToClient(clientID, message, webChannels.leakPtr());
 }
 
+void ServiceWorkerGlobalScopeClientImpl::postMessageToClient(const WebString& clientUUID, const WebString& message, PassOwnPtr<WebMessagePortChannelArray> webChannels)
+{
+    m_client.postMessageToClient(clientUUID, message, webChannels.leakPtr());
+}
+
 void ServiceWorkerGlobalScopeClientImpl::postMessageToCrossOriginClient(const WebCrossOriginServiceWorkerClient& client, const WebString& message, PassOwnPtr<WebMessagePortChannelArray> webChannels)
 {
     m_client.postMessageToCrossOriginClient(client, message, webChannels.leakPtr());
@@ -143,6 +148,11 @@ void ServiceWorkerGlobalScopeClientImpl::focus(int clientID, WebServiceWorkerCli
     m_client.focus(clientID, callback);
 }
 
+void ServiceWorkerGlobalScopeClientImpl::focus(const WebString& clientUUID, WebServiceWorkerClientCallbacks* callback)
+{
+    m_client.focus(clientUUID, callback);
+}
+
 ServiceWorkerGlobalScopeClientImpl::ServiceWorkerGlobalScopeClientImpl(WebServiceWorkerContextClient& client)
     : m_client(client)
 {