Remove task.h and finish base::Bind() migration.

chrome/test/webdriver/webdriver_automation.h

 // 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.
 
 #ifndef CHROME_TEST_WEBDRIVER_WEBDRIVER_AUTOMATION_H_
 #define CHROME_TEST_WEBDRIVER_WEBDRIVER_AUTOMATION_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/task.h"
 #include "chrome/common/automation_constants.h"
 #include "chrome/test/webdriver/webdriver_logging.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 
 class AutomationId;
 class AutomationProxy;
 class ProxyLauncher;
 struct WebKeyEvent;
 class WebViewId;
 struct WebViewInfo;
@@ skipping 208 matching lines @@
 
   const Logger& logger_;
   scoped_ptr<ProxyLauncher> launcher_;
 
   DISALLOW_COPY_AND_ASSIGN(Automation);
 };
 
 }  // namespace webdriver
 
 #endif  // CHROME_TEST_WEBDRIVER_WEBDRIVER_AUTOMATION_H_