Switch to using scoped_ptr with UserData

content/browser/blob_storage/chrome_blob_storage_context.cc

 // Copyright (c) 2012 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/browser/blob_storage/chrome_blob_storage_context.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/guid.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/task_runner.h"
 #include "base/task_scheduler/post_task.h"
 #include "content/browser/resource_context_impl.h"
 #include "content/common/resource_request_body_impl.h"
 #include "content/public/browser/blob_handle.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "storage/browser/blob/blob_data_builder.h"
@@ skipping 51 matching lines @@
 
 ChromeBlobStorageContext::ChromeBlobStorageContext() {}
 
 ChromeBlobStorageContext* ChromeBlobStorageContext::GetFor(
     BrowserContext* context) {
   if (!context->GetUserData(kBlobStorageContextKeyName)) {
     scoped_refptr<ChromeBlobStorageContext> blob =
         new ChromeBlobStorageContext();
     context->SetUserData(
         kBlobStorageContextKeyName,
-        new UserDataAdapter<ChromeBlobStorageContext>(blob.get()));
+        base::MakeUnique<UserDataAdapter<ChromeBlobStorageContext>>(
+            blob.get()));
 
     // Check first to avoid memory leak in unittests.
     bool io_thread_valid = BrowserThread::IsMessageLoopValid(BrowserThread::IO);
 
     // Resolve our storage directories.
     FilePath blob_storage_parent =
         context->GetPath().Append(kBlobStorageParentDirectory);
     FilePath blob_storage_dir = blob_storage_parent.Append(
         FilePath::FromUTF8Unsafe(base::GenerateGUID()));
 
@@ skipping 118 matching lines @@
     if (!handle)
       continue;
     // Ensure the blob and any attached shareable files survive until
     // upload completion. The |body| takes ownership of |handle|.
     const void* key = handle.get();
     body->SetUserData(key, handle.release());
   }
 }
 
 }  // namespace content