Move file_util::Delete to the base namespace

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/debug/trace_event.h"
 #include "base/file_util.h"
@@ skipping 137 matching lines @@
 bool FileSystemUsageCache::Exists(const base::FilePath& usage_file_path) {
   TRACE_EVENT0("FileSystem", "UsageCache::Exists");
   DCHECK(CalledOnValidThread());
   return file_util::PathExists(usage_file_path);
 }
 
 bool FileSystemUsageCache::Delete(const base::FilePath& usage_file_path) {
   TRACE_EVENT0("FileSystem", "UsageCache::Delete");
   DCHECK(CalledOnValidThread());
   CloseCacheFiles();
-  return file_util::Delete(usage_file_path, true);
+  return base::Delete(usage_file_path, true);
 }
 
 void FileSystemUsageCache::CloseCacheFiles() {
   TRACE_EVENT0("FileSystem", "UsageCache::CloseCacheFiles");
   DCHECK(CalledOnValidThread());
   for (CacheFiles::iterator itr = cache_files_.begin();
        itr != cache_files_.end(); ++itr) {
     if (itr->second != base::kInvalidPlatformFileValue)
       base::ClosePlatformFile(itr->second);
   }
@@ skipping 137 matching lines @@
   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