[Storage] Blob Storage Refactoring pt 1

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 209 matching lines @@
         ServiceWorkerFetchRequest(GURL("http://example.com/no_body.html"),
                                   "GET",
                                   headers,
                                   GURL(),
                                   false);
 
     std::string expected_response;
     for (int i = 0; i < 100; ++i)
       expected_blob_data_ += kTestData;
 
-    scoped_refptr<storage::BlobData> blob_data(
-        new storage::BlobData("blob-id:myblob"));
+    scoped_ptr<storage::BlobDataBuilder> blob_data(
+        new storage::BlobDataBuilder("blob-id:myblob"));
     blob_data->AppendData(expected_blob_data_);
 
     blob_handle_ =
-        blob_storage_context->context()->AddFinishedBlob(blob_data.get());
+        blob_storage_context->context()->AddFinishedBlob(*blob_data.get());
 
     body_response_ =
         ServiceWorkerResponse(GURL("http://example.com/body.html"),
                               200,
                               "OK",
                               blink::WebServiceWorkerResponseTypeDefault,
                               headers,
                               blob_handle_->uuid(),
                               expected_blob_data_.size(),
                               GURL());
@@ skipping 132 matching lines @@
   }
 
   void CloseCallback(base::RunLoop* run_loop) {
     EXPECT_FALSE(callback_closed_);
     callback_closed_ = true;
     if (run_loop)
       run_loop->Quit();
   }
 
   void CopyBody(storage::BlobDataHandle* blob_handle, std::string* output) {
-    storage::BlobData* data = blob_handle->data();
-    std::vector<storage::BlobData::Item> items = data->items();
-    for (size_t i = 0, max = items.size(); i < max; ++i)
-      output->append(items[i].bytes(), items[i].length());
+    scoped_ptr<storage::BlobDataSnapshot> data = blob_handle->CreateSnapshot();
+    const auto& items = data->items();
+    for (const auto& item : items) {
+      output->append(item->bytes(), item->length());
+    }
   }
 
   bool VerifyKeys(const std::vector<std::string>& expected_keys) {
     if (expected_keys.size() != callback_strings_.size())
       return false;
 
     std::set<std::string> found_set;
     for (int i = 0, max = callback_strings_.size(); i < max; ++i)
       found_set.insert(callback_strings_[i]);
 
@@ skipping 504 matching lines @@
   EXPECT_TRUE(callback_closed_);
 
   VerifyAllOpsFail();
 }
 
 INSTANTIATE_TEST_CASE_P(ServiceWorkerCacheTest,
                         ServiceWorkerCacheTestP,
                         ::testing::Values(false, true));
 
 }  // namespace content