Expose ServiceWorkerCache objects to ServiceWorkerCacheStorageManager clients.

content/browser/service_worker/service_worker_cache_unittest.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/browser/service_worker/service_worker_cache.h"
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/run_loop.h"
@@ skipping 226 matching lines @@
 
   virtual bool MemoryOnly() { return false; }
 
  protected:
   TestBrowserContext browser_context_;
   TestBrowserThreadBundle browser_thread_bundle_;
   scoped_ptr<net::URLRequestJobFactoryImpl> url_request_job_factory_;
   storage::BlobStorageContext* blob_storage_context_;
 
   base::ScopedTempDir temp_dir_;
-  scoped_ptr<ServiceWorkerCache> cache_;
+  scoped_refptr<ServiceWorkerCache> cache_;
 
   ServiceWorkerFetchRequest body_request_;
   ServiceWorkerResponse body_response_;
   ServiceWorkerFetchRequest no_body_request_;
   ServiceWorkerResponse no_body_response_;
   scoped_ptr<storage::BlobDataHandle> blob_handle_;
   std::string expected_blob_data_;
 
   ServiceWorkerCache::ErrorType callback_error_;
   scoped_ptr<ServiceWorkerResponse> callback_response_;
@@ skipping 128 matching lines @@
     ASSERT_TRUE(Delete(body_request_));
   }
 }
 #endif  // OS_WIN
 
 INSTANTIATE_TEST_CASE_P(ServiceWorkerCacheTest,
                         ServiceWorkerCacheTestP,
                         ::testing::Values(false, true));
 
 }  // namespace content