Write out CacheStorageCache size to index file.

content/browser/cache_storage/cache_storage_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/cache_storage/cache_storage_cache.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 259 matching lines @@
       CacheStorage* cache_storage,
       const scoped_refptr<net::URLRequestContextGetter>& request_context_getter,
       const scoped_refptr<storage::QuotaManagerProxy>& quota_manager_proxy,
       base::WeakPtr<storage::BlobStorageContext> blob_context)
       : CacheStorageCache(origin,
                           cache_name,
                           path,
                           cache_storage,
                           request_context_getter,
                           quota_manager_proxy,
-                          blob_context),
+                          blob_context,
+                          0),

[jkarlin, 2016/10/21 18:04:19]

can you add /* cache size */ after the 0 to make it clear what it's for?

[cmumford, 2016/11/10 17:28:17]

Done.

         delay_backend_creation_(false) {}
 
   void CreateBackend(const ErrorCallback& callback) override {
     backend_creation_callback_ = callback;
     if (delay_backend_creation_)
       return;
     ContinueCreateBackend();
   }
 
   void ContinueCreateBackend() {
@@ skipping 1333 matching lines @@
   EXPECT_EQ(1, sequence_out);
   close_loop2->Run();
   EXPECT_EQ(2, sequence_out);
 }
 
 INSTANTIATE_TEST_CASE_P(CacheStorageCacheTest,
                         CacheStorageCacheTestP,
                         ::testing::Values(false, true));
 
 }  // namespace content