Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

third_party/WebKit/public/platform/modules/push_messaging/WebPushProvider.h

 // Copyright 2014 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 WebPushProvider_h
 #define WebPushProvider_h
 
 #include "public/platform/WebCallbacks.h"
 #include "public/platform/modules/push_messaging/WebPushPermissionStatus.h"
 #include "public/platform/modules/push_messaging/WebPushSubscription.h"
@@ skipping 13 matching lines @@
 using WebPushUnsubscribeCallbacks = WebCallbacks<bool, const WebPushError&>;
 
 class WebPushProvider {
  public:
   virtual ~WebPushProvider() {}
 
   // Takes ownership of the WebPushSubscriptionCallbacks.
   // Does not take ownership of the WebServiceWorkerRegistration.
   virtual void subscribe(WebServiceWorkerRegistration*,
                          const WebPushSubscriptionOptions&,
-                         WebPushSubscriptionCallbacks*) = 0;
+                         std::unique_ptr<WebPushSubscriptionCallbacks>) = 0;
 
   // Takes ownership of the WebPushSubscriptionCallbacks.
   // Does not take ownership of the WebServiceWorkerRegistration.
-  virtual void getSubscription(WebServiceWorkerRegistration*,
-                               WebPushSubscriptionCallbacks*) = 0;
+  virtual void getSubscription(
+      WebServiceWorkerRegistration*,
+      std::unique_ptr<WebPushSubscriptionCallbacks>) = 0;
 
   // Takes ownership of the WebPushPermissionStatusCallbacks.
   // Does not take ownership of the WebServiceWorkerRegistration.
-  virtual void getPermissionStatus(WebServiceWorkerRegistration*,
-                                   const WebPushSubscriptionOptions&,
-                                   WebPushPermissionStatusCallbacks*) = 0;
+  virtual void getPermissionStatus(
+      WebServiceWorkerRegistration*,
+      const WebPushSubscriptionOptions&,
+      std::unique_ptr<WebPushPermissionStatusCallbacks>) = 0;
 
   // Takes ownership if the WebPushUnsubscribeCallbacks.
   // Does not take ownership of the WebServiceWorkerRegistration.
   virtual void unsubscribe(WebServiceWorkerRegistration*,
-                           WebPushUnsubscribeCallbacks*) = 0;
+                           std::unique_ptr<WebPushUnsubscribeCallbacks>) = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebPushProvider_h