Rename navigator.serviceWorker.current to controller.

Source/modules/serviceworkers/ServiceWorkerContainer.cpp

Index: Source/modules/serviceworkers/ServiceWorkerContainer.cpp
diff --git a/Source/modules/serviceworkers/ServiceWorkerContainer.cpp b/Source/modules/serviceworkers/ServiceWorkerContainer.cpp
index 8f64cd454ce526e251be8f3e408e567ba0e27fc9..cd0c219d9ce70fb16a6d7dd1d9c442c263cf7566 100644
--- a/Source/modules/serviceworkers/ServiceWorkerContainer.cpp
+++ b/Source/modules/serviceworkers/ServiceWorkerContainer.cpp
@@ -142,11 +142,16 @@ ScriptPromise ServiceWorkerContainer::unregisterServiceWorker(ExecutionContext*
 
 void ServiceWorkerContainer::setCurrentServiceWorker(blink::WebServiceWorker* serviceWorker)
 {
+    setController(serviceWorker);
+}
+
+void ServiceWorkerContainer::setController(blink::WebServiceWorker* serviceWorker)
+{
     if (!executionContext()) {
         delete serviceWorker;
         return;
     }
-    m_current = ServiceWorker::create(executionContext(), adoptPtr(serviceWorker));
+    m_controller = ServiceWorker::create(executionContext(), adoptPtr(serviceWorker));
 }
 
 void ServiceWorkerContainer::dispatchMessageEvent(const blink::WebString& message, const blink::WebMessagePortChannelArray& webChannels)