Move PathExists to base namespace.

chrome/browser/ui/webui/options/advanced_options_utils_x11.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.
 
 #if !defined(OS_CHROMEOS)
 
 #include "chrome/browser/ui/webui/options/advanced_options_utils.h"
 
 #include "base/bind.h"
 #include "base/environment.h"
@@ skipping 64 matching lines @@
   std::string path;
   if (!env->GetVar("PATH", &path)) {
     LOG(ERROR) << "No $PATH variable. Assuming no " << command[0] << ".";
     return false;
   }
   std::vector<std::string> paths;
   Tokenize(path, ":", &paths);
   bool found = false;
   for (size_t i = 0; i < paths.size(); ++i) {
     base::FilePath file(paths[i]);
-    if (file_util::PathExists(file.Append(command[0]))) {
+    if (base::PathExists(file.Append(command[0]))) {
       found = true;
       break;
     }
   }
   if (!found)
     return false;
   std::vector<std::string> argv;
   for (size_t i = 0; command[i]; ++i)
     argv.push_back(command[i]);
   base::ProcessHandle handle;
@@ skipping 54 matching lines @@
     WebContents* web_contents) {
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
       base::Bind(&DetectAndStartProxyConfigUtil,
                  web_contents->GetRenderProcessHost()->GetID(),
                  web_contents->GetRenderViewHost()->GetRoutingID()));
 }
 
 }  // namespace options
 
 #endif  // !defined(OS_CHROMEOS)