Collapse fileapi, webkit_blob, webkit_database, quota, and webkit_common namespaces into single sto…

webkit/browser/fileapi/file_system_usage_cache.cc

 // Copyright (c) 2012 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 "webkit/browser/fileapi/file_system_usage_cache.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/pickle.h"
 #include "base/stl_util.h"
 #include "webkit/browser/fileapi/timed_task_helper.h"
 
-namespace fileapi {
+namespace storage {
 
 namespace {
 const int64 kCloseDelaySeconds = 5;
 const size_t kMaxHandleCacheSize = 2;
 }  // namespace
 
 FileSystemUsageCache::FileSystemUsageCache(
     base::SequencedTaskRunner* task_runner)
     : task_runner_(task_runner),
       weak_factory_(this) {
@@ skipping 269 matching lines @@
 bool FileSystemUsageCache::CalledOnValidThread() {
   return !task_runner_.get() || task_runner_->RunsTasksOnCurrentThread();
 }
 
 bool FileSystemUsageCache::HasCacheFileHandle(const base::FilePath& file_path) {
   DCHECK(CalledOnValidThread());
   DCHECK_LE(cache_files_.size(), kMaxHandleCacheSize);
   return ContainsKey(cache_files_, file_path);
 }
 
-}  // namespace fileapi
+}  // namespace storage