Move PathExists to base namespace.

webkit/browser/fileapi/obfuscated_file_util.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/obfuscated_file_util.h"
 
 #include <queue>
 #include <string>
 #include <vector>
 
@@ skipping 1085 matching lines @@
     return error;
 
   bool created = false;
   if (!src_file_path.empty()) {
     DCHECK(!file_flags);
     DCHECK(!handle);
     error = NativeFileUtil::CopyOrMoveFile(
         src_file_path, dest_local_path, true /* copy */);
     created = true;
   } else {
-    if (file_util::PathExists(dest_local_path)) {
+    if (base::PathExists(dest_local_path)) {
       if (!base::Delete(dest_local_path, true /* recursive */)) {
         NOTREACHED();
         return base::PLATFORM_FILE_ERROR_FAILED;
       }
       LOG(WARNING) << "A stray file detected";
       InvalidateUsageCache(context, dest_origin, dest_type);
     }
 
     if (handle) {
       error = NativeFileUtil::CreateOrOpen(
@@ skipping 329 matching lines @@
   // special_storage_policy_->HasIsolatedStorage(origin) returns false
   // for the same origin.
   if (!isolated_origin_.is_empty()) {
     CHECK_EQ(isolated_origin_.spec(), origin.spec());
     return true;
   }
   return false;
 }
 
 }  // namespace fileapi