Convert //sync from scoped_ptr to std::unique_ptr

sync/internal_api/public/test/fake_sync_manager.h

Index: sync/internal_api/public/test/fake_sync_manager.h
diff --git a/sync/internal_api/public/test/fake_sync_manager.h b/sync/internal_api/public/test/fake_sync_manager.h
index 0b4c810083f84a175ebecfd89e3b69a14733178b..5a3017e1abbe910767ba7517af86a6307d60ff66 100644
--- a/sync/internal_api/public/test/fake_sync_manager.h
+++ b/sync/internal_api/public/test/fake_sync_manager.h
@@ -90,7 +90,7 @@ class FakeSyncManager : public SyncManager {
                        const base::Closure& retry_task) override;
   void OnIncomingInvalidation(
       syncer::ModelType type,
-      scoped_ptr<InvalidationInterface> interface) override;
+      std::unique_ptr<InvalidationInterface> interface) override;
   void SetInvalidatorEnabled(bool invalidator_enabled) override;
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
@@ -104,7 +104,7 @@ class FakeSyncManager : public SyncManager {
   bool HasUnsyncedItems() override;
   SyncEncryptionHandler* GetEncryptionHandler() override;
   ScopedVector<syncer::ProtocolEvent> GetBufferedProtocolEvents() override;
-  scoped_ptr<base::ListValue> GetAllNodesForType(
+  std::unique_ptr<base::ListValue> GetAllNodesForType(
       syncer::ModelType type) override;
   void RefreshTypes(ModelTypeSet types) override;
   void RegisterDirectoryTypeDebugInfoObserver(
@@ -143,7 +143,7 @@ class FakeSyncManager : public SyncManager {
   // The most recent configure reason.
   ConfigureReason last_configure_reason_;
 
-  scoped_ptr<FakeSyncEncryptionHandler> fake_encryption_handler_;
+  std::unique_ptr<FakeSyncEncryptionHandler> fake_encryption_handler_;
 
   TestUserShare test_user_share_;