[Storage] Blob Storage Refactoring pt 1

content/browser/service_worker/service_worker_browsertest.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 "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
@@ skipping 106 matching lines @@
     ChromeBlobStorageContext* blob_context,
     FetchResult* result) {
   return base::Bind(&ReceiveFetchResult, run_quit_thread, quit,
                     make_scoped_refptr<ChromeBlobStorageContext>(blob_context),
                     result);
 }
 
 void ReadResponseBody(std::string* body,
                       storage::BlobDataHandle* blob_data_handle) {
   ASSERT_TRUE(blob_data_handle);
-  ASSERT_EQ(1U, blob_data_handle->data()->items().size());
-  *body = std::string(blob_data_handle->data()->items()[0].bytes(),
-                      blob_data_handle->data()->items()[0].length());
+  scoped_ptr<storage::BlobDataSnapshot> data =
+      blob_data_handle->CreateSnapshot();
+  ASSERT_EQ(1U, data->items().size());
+  *body = std::string(data->items()[0]->bytes(), data->items()[0]->length());
 }
 
 void ExpectResultAndRun(bool expected,
                         const base::Closure& continuation,
                         bool actual) {
   EXPECT_EQ(expected, actual);
   continuation.Run();
 }
 
 class WorkerActivatedObserver
@@ skipping 829 matching lines @@
   const base::string16 kOKTitle2(base::ASCIIToUTF16("OK_2"));
   const base::string16 kFailTitle2(base::ASCIIToUTF16("FAIL_2"));
   content::TitleWatcher title_watcher2(shell()->web_contents(), kOKTitle2);
   title_watcher2.AlsoWaitForTitle(kFailTitle2);
 
   NavigateToURL(shell(), embedded_test_server()->GetURL(kConfirmPageUrl));
   EXPECT_EQ(kOKTitle2, title_watcher2.WaitAndGetTitle());
 }
 
 }  // namespace content