Move PathExists to base namespace.

content/shell/shell_download_manager_delegate.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 "content/shell/shell_download_manager_delegate.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 87 matching lines @@
   }
   return true;
 }
 
 void ShellDownloadManagerDelegate::GenerateFilename(
     int32 download_id,
     const DownloadTargetCallback& callback,
     const base::FilePath& generated_name,
     const base::FilePath& suggested_directory) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  if (!file_util::PathExists(suggested_directory))
+  if (!base::PathExists(suggested_directory))
     file_util::CreateDirectory(suggested_directory);
 
   base::FilePath suggested_path(suggested_directory.Append(generated_name));
   BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(
           &ShellDownloadManagerDelegate::OnDownloadPathGenerated,
           this, download_id, callback, suggested_path));
 }
@@ skipping 77 matching lines @@
                DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS, result);
 }
 
 void ShellDownloadManagerDelegate::SetDownloadBehaviorForTesting(
     const base::FilePath& default_download_path) {
   default_download_path_ = default_download_path;
   suppress_prompting_ = true;
 }
 
 }  // namespace content