Remove unused fields from //content.

content/browser/cache_storage/cache_storage.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.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
@@ skipping 452 matching lines @@
     base::SequencedTaskRunner* cache_task_runner,
     scoped_refptr<net::URLRequestContextGetter> request_context,
     scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy,
     base::WeakPtr<storage::BlobStorageContext> blob_context,
     const GURL& origin)
     : initialized_(false),
       initializing_(false),
       scheduler_(new CacheStorageScheduler()),
       origin_path_(path),
       cache_task_runner_(cache_task_runner),
-      memory_only_(memory_only),
       quota_manager_proxy_(quota_manager_proxy),
       origin_(origin),
       weak_factory_(this) {
   if (memory_only)
     cache_loader_.reset(
         new MemoryLoader(cache_task_runner_.get(), std::move(request_context),
                          quota_manager_proxy.get(), blob_context, origin));
   else
     cache_loader_.reset(new SimpleCacheLoader(
         origin_path_, cache_task_runner_.get(), std::move(request_context),
@@ skipping 549 matching lines @@
 void CacheStorage::PendingSizeCallback(const SizeCallback& callback,
                                        int64_t size) {
   base::WeakPtr<CacheStorage> cache_storage = weak_factory_.GetWeakPtr();
 
   callback.Run(size);
   if (cache_storage)
     scheduler_->CompleteOperationAndRunNext();
 }
 
 }  // namespace content