Fix minor issues in ChromeDriver.

chrome/test/webdriver/session_manager.cc

 // Copyright (c) 2011 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/test/webdriver/session_manager.h"
 
 #include "base/logging.h"
 #include "chrome/test/webdriver/utility_functions.h"
 #include "net/base/net_util.h"
 
@@ skipping 59 matching lines @@
 }
 
 void SessionManager::set_url_base(const std::string& url_base) {
   url_base_ = url_base;
 }
 
 std::string SessionManager::url_base() const {
   return url_base_;
 }
 
-void SessionManager::set_chrome_dir(const FilePath& chrome_dir) {
-  chrome_dir_ = chrome_dir;
-}
-
-FilePath SessionManager::chrome_dir() const {
-  return chrome_dir_;
-}
-
 SessionManager::SessionManager() : port_(""), url_base_("") {}
 
 SessionManager::~SessionManager() {}
 
 // static
 SessionManager* SessionManager::GetInstance() {
   return Singleton<SessionManager>::get();
 }
 
 }  // namespace webdriver