Add IDL and initial Blink API for Background Sync

Source/modules/background_sync/ServiceWorkerRegistrationSync.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ServiceWorkerRegistrationPush_h
-#define ServiceWorkerRegistrationPush_h
+#ifndef ServiceWorkerRegistrationSync_h
+#define ServiceWorkerRegistrationSync_h
 
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
-class PushManager;
+class SyncManager;
 class ServiceWorkerRegistration;
 
-class ServiceWorkerRegistrationPush final : public GarbageCollectedFinalized<ServiceWorkerRegistrationPush>, public HeapSupplement<ServiceWorkerRegistration> {
-    USING_GARBAGE_COLLECTED_MIXIN(ServiceWorkerRegistrationPush);
-    WTF_MAKE_NONCOPYABLE(ServiceWorkerRegistrationPush);
+class ServiceWorkerRegistrationSync final : public GarbageCollectedFinalized<ServiceWorkerRegistrationSync>, public HeapSupplement<ServiceWorkerRegistration> {
+    USING_GARBAGE_COLLECTED_MIXIN(ServiceWorkerRegistrationSync);
+    WTF_MAKE_NONCOPYABLE(ServiceWorkerRegistrationSync);
 public:
-    virtual ~ServiceWorkerRegistrationPush();
-    static ServiceWorkerRegistrationPush& from(ServiceWorkerRegistration&);
+    virtual ~ServiceWorkerRegistrationSync();
+    static ServiceWorkerRegistrationSync& from(ServiceWorkerRegistration&);
 
-    static PushManager* pushManager(ServiceWorkerRegistration&);
-    PushManager* pushManager();
+    static SyncManager* syncManager(ServiceWorkerRegistration&);
+    SyncManager* syncManager();
 
-    DECLARE_VIRTUAL_TRACE();
+    virtual void trace(Visitor*) override;

[jkarlin, 2015/02/27 20:08:12]

DECLARE_VIRTUAL_TRACE(); instead

[iclelland, 2015/03/02 03:51:10]

Done.

 
 private:
-    explicit ServiceWorkerRegistrationPush(ServiceWorkerRegistration*);
+    explicit ServiceWorkerRegistrationSync(ServiceWorkerRegistration*);
     static const char* supplementName();
 
     Member<ServiceWorkerRegistration> m_registration;
-    Member<PushManager> m_pushManager;
+    Member<SyncManager> m_syncManager;
 };
 
 } // namespace blink
 
-#endif // ServiceWorkerRegistrationPush_h
+#endif // ServiceWorkerRegistrationSync_h