Move PathExists to base namespace.

chrome/browser/net/url_fixer_upper.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 "chrome/browser/net/url_fixer_upper.h"
 
 #include <algorithm>
 
 #if defined(OS_POSIX)
 #include "base/environment.h"
@@ skipping 89 matching lines @@
 
 // Tries to create a full path from |text|.  If the result is valid and the
 // file exists, returns true and sets |full_path| to the result.  Otherwise,
 // returns false and leaves |full_path| unchanged.
 bool ValidPathForFile(const base::FilePath::StringType& text,
                       base::FilePath* full_path) {
   base::FilePath file_path = base::MakeAbsoluteFilePath(base::FilePath(text));
   if (file_path.empty())
     return false;
 
-  if (!file_util::PathExists(file_path))
+  if (!base::PathExists(file_path))
     return false;
 
   *full_path = file_path;
   return true;
 }
 
 #if defined(OS_POSIX)
 // Given a path that starts with ~, return a path that starts with an
 // expanded-out /user/foobar directory.
 std::string FixupHomedir(const std::string& text) {
@@ skipping 515 matching lines @@
 
   if (part->is_valid()) {
     // Offset the location of this component.
     part->begin += offset;
 
     // This part might not have existed in the original text.
     if (part->begin < 0)
       part->reset();
   }
 }