Move PathExists to base namespace.

chrome/browser/bookmarks/bookmark_storage.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/bookmarks/bookmark_storage.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 35 matching lines @@
     for (int i = 0; i < node->child_count(); ++i)
       AddBookmarksToIndex(details, node->GetChild(i));
   }
 }
 
 void LoadCallback(const base::FilePath& path,
                   BookmarkStorage* storage,
                   BookmarkLoadDetails* details) {
   startup_metric_utils::ScopedSlowStartupUMA
       scoped_timer("Startup.SlowStartupBookmarksLoad");
-  bool bookmark_file_exists = file_util::PathExists(path);
+  bool bookmark_file_exists = base::PathExists(path);
   if (bookmark_file_exists) {
     JSONFileValueSerializer serializer(path);
     scoped_ptr<Value> root(serializer.Deserialize(NULL, NULL));
 
     if (root.get()) {
       // Building the index can take a while, so we do it on the background
       // thread.
       int64 max_node_id = 0;
       BookmarkCodec codec;
       TimeTicks start_time = TimeTicks::Now();
@@ skipping 106 matching lines @@
     NOTREACHED();
     return false;
   }
 
   std::string data;
   if (!SerializeData(&data))
     return false;
   writer_.WriteNow(data);
   return true;
 }