Move PathExists to base namespace.

webkit/browser/fileapi/sandbox_file_system_test_helper.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/sandbox_file_system_test_helper.h"
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "url/gurl.h"
@@ skipping 80 matching lines @@
 }
 
 int64 SandboxFileSystemTestHelper::GetCachedOriginUsage() const {
   return file_system_context_->GetQuotaUtil(type_)
       ->GetOriginUsageOnFileThread(file_system_context_.get(), origin_, type_);
 }
 
 int64 SandboxFileSystemTestHelper::ComputeCurrentOriginUsage() {
   usage_cache()->CloseCacheFiles();
   int64 size = base::ComputeDirectorySize(GetOriginRootPath());
-  if (file_util::PathExists(GetUsageCachePath()))
+  if (base::PathExists(GetUsageCachePath()))
     size -= FileSystemUsageCache::kUsageFileSize;
   return size;
 }
 
 int64
 SandboxFileSystemTestHelper::ComputeCurrentDirectoryDatabaseUsage() {
   return base::ComputeDirectorySize(
       GetOriginRootPath().AppendASCII("Paths"));
 }
 
@@ skipping 33 matching lines @@
   file_system_context_->sandbox_backend()->
       GetBaseDirectoryForOriginAndType(origin_, type_, true /* create */);
 
   // Initialize the usage cache file.
   base::FilePath usage_cache_path = GetUsageCachePath();
   if (!usage_cache_path.empty())
     usage_cache()->UpdateUsage(usage_cache_path, 0);
 }
 
 }  // namespace fileapi