Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerCacheStorage.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 WebServiceWorkerCacheStorage_h
 #define WebServiceWorkerCacheStorage_h
 
 #include "public/platform/WebCallbacks.h"
 #include "public/platform/WebCommon.h"
 #include "public/platform/WebString.h"
@@ skipping 23 matching lines @@
       WebCallbacks<const WebServiceWorkerResponse&, WebServiceWorkerCacheError>;
 
   virtual ~WebServiceWorkerCacheStorage() {}
 
   // Ownership of the CacheStorage*Callbacks methods passes to the
   // WebServiceWorkerCacheStorage instance, which will delete it after calling
   // onSuccess or onFailure.
 
   // dispatchOpen() can return a WebServiceWorkerCache object. These objects
   // are owned by Blink and should be destroyed when they are no longer needed.
-  virtual void dispatchHas(CacheStorageCallbacks*,
+  virtual void dispatchHas(std::unique_ptr<CacheStorageCallbacks>,
                            const WebString& cacheName) = 0;
-  virtual void dispatchOpen(CacheStorageWithCacheCallbacks*,
+  virtual void dispatchOpen(std::unique_ptr<CacheStorageWithCacheCallbacks>,
                             const WebString& cacheName) = 0;
-  virtual void dispatchDelete(CacheStorageCallbacks*,
+  virtual void dispatchDelete(std::unique_ptr<CacheStorageCallbacks>,
                               const WebString& cacheName) = 0;
-  virtual void dispatchKeys(CacheStorageKeysCallbacks*) = 0;
-  virtual void dispatchMatch(CacheStorageMatchCallbacks*,
+  virtual void dispatchKeys(std::unique_ptr<CacheStorageKeysCallbacks>) = 0;
+  virtual void dispatchMatch(std::unique_ptr<CacheStorageMatchCallbacks>,
                              const WebServiceWorkerRequest&,
                              const WebServiceWorkerCache::QueryParams&) = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebServiceWorkerCacheStorage_h