Move PathExists to base namespace.

base/files/file_util_proxy.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 "base/files/file_util_proxy.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/location.h"
@@ skipping 89 matching lines @@
   PlatformFileError error_;
   DISALLOW_COPY_AND_ASSIGN(CreateTemporaryHelper);
 };
 
 class GetFileInfoHelper {
  public:
   GetFileInfoHelper()
       : error_(PLATFORM_FILE_OK) {}
 
   void RunWorkForFilePath(const FilePath& file_path) {
-    if (!file_util::PathExists(file_path)) {
+    if (!PathExists(file_path)) {
       error_ = PLATFORM_FILE_ERROR_NOT_FOUND;
       return;
     }
     if (!file_util::GetFileInfo(file_path, &file_info_))
       error_ = PLATFORM_FILE_ERROR_FAILED;
   }
 
   void RunWorkForPlatformFile(PlatformFile file) {
     if (!GetPlatformFileInfo(file, &file_info_))
       error_ = PLATFORM_FILE_ERROR_FAILED;
@@ skipping 82 matching lines @@
 }
 
 PlatformFileError CloseAdapter(PlatformFile file_handle) {
   if (!ClosePlatformFile(file_handle)) {
     return PLATFORM_FILE_ERROR_FAILED;
   }
   return PLATFORM_FILE_OK;
 }
 
 PlatformFileError DeleteAdapter(const FilePath& file_path, bool recursive) {
-  if (!file_util::PathExists(file_path)) {
+  if (!PathExists(file_path)) {
     return PLATFORM_FILE_ERROR_NOT_FOUND;
   }
   if (!base::Delete(file_path, recursive)) {
     if (!recursive && !file_util::IsDirectoryEmpty(file_path)) {
       return PLATFORM_FILE_ERROR_NOT_EMPTY;
     }
     return PLATFORM_FILE_ERROR_FAILED;
   }
   return PLATFORM_FILE_OK;
 }
@@ skipping 193 matching lines @@
 bool FileUtilProxy::RelayClose(
     TaskRunner* task_runner,
     const CloseTask& close_task,
     PlatformFile file_handle,
     const StatusCallback& callback) {
   return base::PostTaskAndReplyWithResult(
       task_runner, FROM_HERE, Bind(close_task, file_handle), callback);
 }
 
 }  // namespace base