Move content/child/background_sync to Blink.

third_party/WebKit/Source/modules/background_sync/SyncCallbacks.h

 // 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 SyncCallbacks_h
 #define SyncCallbacks_h
 
 #include "platform/heap/Handle.h"
 #include "public/platform/WebCallbacks.h"
-#include "public/platform/modules/background_sync/WebSyncProvider.h"
-#include "public/platform/modules/background_sync/WebSyncRegistration.h"
+#include "public/platform/modules/background_sync/background_sync.mojom-blink.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class ServiceWorkerRegistration;
 class ScriptPromiseResolver;
 struct WebSyncError;
 struct WebSyncRegistration;
 
 // SyncRegistrationCallbacks is an implementation of
 // WebSyncRegistrationCallbacks that will resolve the underlying promise
 // depending on the result passed to the callback. It takes a
 // ServiceWorkerRegistration in its constructor and will pass it to the
 // SyncRegistration.
-class SyncRegistrationCallbacks final : public WebSyncRegistrationCallbacks {
+class SyncRegistrationCallbacks final

[jbroman, 2016/11/05 22:51:09]

It should probably be a followup CL, but this can be rewritten to not need to
use Blink API types (WebCallbacks, WebVector, etc.) later on.

[adithyas, 2016/11/07 19:22:55]

Acknowledged.

+    : public WebCallbacks<blink::mojom::blink::SyncRegistrationPtr,
+                          const WebSyncError&> {
   WTF_MAKE_NONCOPYABLE(SyncRegistrationCallbacks);
   // FIXME(tasak): When making public/platform classes to use PartitionAlloc,
   // the following macro should be moved to WebCallbacks defined in
   // public/platformWebCallbacks.h.
   USING_FAST_MALLOC(SyncRegistrationCallbacks);
 
  public:
   SyncRegistrationCallbacks(ScriptPromiseResolver*, ServiceWorkerRegistration*);
   ~SyncRegistrationCallbacks() override;
 
-  void onSuccess(std::unique_ptr<WebSyncRegistration>) override;
+  void onSuccess(blink::mojom::blink::SyncRegistrationPtr) override;
   void onError(const WebSyncError&) override;
 
  private:
   Persistent<ScriptPromiseResolver> m_resolver;
   Persistent<ServiceWorkerRegistration> m_serviceWorkerRegistration;
 };
 
 // SyncGetRegistrationsCallbacks is an implementation of
 // WebSyncGetRegistrationsCallbacks that will resolve the underlying promise
 // depending on the result passed to the callback. It takes a
 // ServiceWorkerRegistration in its constructor and will pass it to the
 // SyncRegistration.
 class SyncGetRegistrationsCallbacks final
-    : public WebSyncGetRegistrationsCallbacks {
+    : public WebCallbacks<
+          const WebVector<blink::mojom::blink::SyncRegistration*>&,
+          const WebSyncError&> {
   WTF_MAKE_NONCOPYABLE(SyncGetRegistrationsCallbacks);
   // FIXME(tasak): When making public/platform classes to use PartitionAlloc,
   // the following macro should be moved to WebCallbacks defined in
   // public/platformWebCallbacks.h.
   USING_FAST_MALLOC(SyncGetRegistrationsCallbacks);
 
  public:
   SyncGetRegistrationsCallbacks(ScriptPromiseResolver*,
                                 ServiceWorkerRegistration*);
   ~SyncGetRegistrationsCallbacks() override;
 
-  void onSuccess(const WebVector<WebSyncRegistration*>&) override;
+  void onSuccess(
+      const WebVector<blink::mojom::blink::SyncRegistration*>&) override;
   void onError(const WebSyncError&) override;
 
  private:
   Persistent<ScriptPromiseResolver> m_resolver;
   Persistent<ServiceWorkerRegistration> m_serviceWorkerRegistration;
 };
 
 }  // namespace blink
 
 #endif  // SyncCallbacks_h