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

chrome/browser/ui/webui/chromeos/imageburner/webui_handler.h

 // 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.
 
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_IMAGEBURNER_WEBUI_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_IMAGEBURNER_WEBUI_HANDLER_H_
 
 #include <string>
 
 #include "base/file_path.h"
+#include "base/memory/weak_ptr.h"
 #include "base/string16.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/burn_library.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/disks/disk_mount_manager.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chromeos/imageburner/imageburner_utils.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
@@ skipping 30 matching lines @@
 
   void OnImageDirCreated(bool success) {
     if (delegate_)
       delegate_->ImageDirCreatedOnUIThread(success);
   }
 
   // WebUIHandlerTaskProxy is created on the UI thread, so in some cases,
   // we need to post back to the UI thread for destruction.
   void DeleteOnUIThread();
 
-  void DoNothing() {}
-
  private:
   base::WeakPtr<Delegate> delegate_;
 
   friend class base::RefCountedThreadSafe<WebUIHandlerTaskProxy>;
   ~WebUIHandlerTaskProxy();
 
   DISALLOW_COPY_AND_ASSIGN(WebUIHandlerTaskProxy);
 };
 
 class WebUIHandler
@@ skipping 130 matching lines @@
   BurnManager* burn_manager_;
   StateMachine* state_machine_;
   bool observing_burn_lib_;
   bool working_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIHandler);
 };
 
 }  // namespace imageburner.
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_IMAGEBURNER_WEBUI_HANDLER_H_