Push API: define push event on Service Worker.

Source/modules/push_messaging/ServiceWorkerGlobalScopePush.h

Index: Source/modules/push_messaging/ServiceWorkerGlobalScopePush.h
diff --git a/Source/modules/device_orientation/DOMWindowDeviceMotion.h b/Source/modules/push_messaging/ServiceWorkerGlobalScopePush.h
similarity index 55%
copy from Source/modules/device_orientation/DOMWindowDeviceMotion.h
copy to Source/modules/push_messaging/ServiceWorkerGlobalScopePush.h
index e9b96f5bb9c11643437f5f333814a0658b0d8172..4c92682f076c75a84643c1a8470b539e1681f33e 100644
--- a/Source/modules/device_orientation/DOMWindowDeviceMotion.h
+++ b/Source/modules/push_messaging/ServiceWorkerGlobalScopePush.h
@@ -2,18 +2,18 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef DOMWindowDeviceMotion_h
-#define DOMWindowDeviceMotion_h
+#ifndef ServiceWorkerGlobalScopePush_h
+#define ServiceWorkerGlobalScopePush_h
 
 #include "core/events/EventTarget.h"
 
 namespace WebCore {
 
-class DOMWindowDeviceMotion {
+class ServiceWorkerGlobalScopePush {
 public:
-    DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(devicemotion);
+    DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(push);
 };
 
 } // namespace WebCore
 
-#endif // DOMWindowDeviceMotion_h
+#endif // ServiceWorkerGlobalScopePush_h