Nuke WebPassOwnPtr<T> and replace it with std::unique_ptr<T>.

content/renderer/cache_storage/cache_storage_dispatcher.cc

 // 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.
 
 #include "content/renderer/cache_storage/cache_storage_dispatcher.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <string>
@@ skipping 285 matching lines @@
                                                        int request_id,
                                                        int cache_id) {
   DCHECK_EQ(thread_id, CurrentWorkerId());
   scoped_ptr<WebCache> web_cache(
       new WebCache(weak_factory_.GetWeakPtr(), cache_id));
   web_caches_.AddWithID(web_cache.get(), cache_id);
   UMA_HISTOGRAM_TIMES("ServiceWorkerCache.CacheStorage.Open",
                       TimeTicks::Now() - open_times_[request_id]);
   WebServiceWorkerCacheStorage::CacheStorageWithCacheCallbacks* callbacks =
       open_callbacks_.Lookup(request_id);
-  callbacks->onSuccess(blink::adoptWebPtr(web_cache.release()));
+  callbacks->onSuccess(std::move(web_cache));
   open_callbacks_.Remove(request_id);
   open_times_.erase(request_id);
 }
 
 void CacheStorageDispatcher::OnCacheStorageDeleteSuccess(int thread_id,
                                                          int request_id) {
   DCHECK_EQ(thread_id, CurrentWorkerId());
   UMA_HISTOGRAM_TIMES("ServiceWorkerCache.CacheStorage.Delete",
                       TimeTicks::Now() - delete_times_[request_id]);
   WebServiceWorkerCacheStorage::CacheStorageCallbacks* callbacks =
@@ skipping 356 matching lines @@
 CacheStorageDispatcher::WebResponsesFromResponses(
     const std::vector<ServiceWorkerResponse>& responses) {
   blink::WebVector<blink::WebServiceWorkerResponse> web_responses(
       responses.size());
   for (size_t i = 0; i < responses.size(); ++i)
     PopulateWebResponseFromResponse(responses[i], &(web_responses[i]));
   return web_responses;
 }
 
 }  // namespace content