Push API: define push event on Service Worker.

Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index efca3f24f7e617003f9dd23d08e1e2c78ae230ab..0d8c6b07661de7a30334cd44dc52e19c9950bbe8 100644
--- a/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -36,6 +36,7 @@
 #include "core/dom/MessagePort.h"
 #include "core/events/MessageEvent.h"
 #include "core/workers/WorkerGlobalScope.h"
+#include "modules/push_messaging/PushEvent.h"
 #include "modules/serviceworkers/FetchEvent.h"
 #include "modules/serviceworkers/InstallEvent.h"
 #include "modules/serviceworkers/InstallPhaseEvent.h"
@@ -43,6 +44,7 @@
 #include "platform/NotImplemented.h"
 #include "public/web/WebSerializedScriptValue.h"
 #include "public/web/WebServiceWorkerContextClient.h"
+#include "public/web/WebServiceWorkerPushEventCallback.h"
 #include "web/WebEmbeddedWorkerImpl.h"
 #include "wtf/Functional.h"
 #include "wtf/PassOwnPtr.h"
@@ -102,6 +104,13 @@ void ServiceWorkerGlobalScopeProxy::dispatchSyncEvent(int eventID)
     ServiceWorkerGlobalScopeClient::from(m_workerGlobalScope)->didHandleSyncEvent(eventID);
 }
 
+void ServiceWorkerGlobalScopeProxy::dispatchPushEvent(int eventID, const WebString& data, const WebServiceWorkerPushEventCallback& callback)
+{
+    ASSERT(m_workerGlobalScope);
+    m_workerGlobalScope->dispatchEvent(PushEvent::create(EventTypeNames::push, data));
+    callback.didHandlePushEvent(eventID);
+}
+
 void ServiceWorkerGlobalScopeProxy::reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL)
 {
     m_client.reportException(errorMessage, lineNumber, columnNumber, sourceURL);