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

chrome/browser/ui/webui/extensions/extension_icon_source.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/browser/ui/webui/extensions/extension_icon_source.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
-#include "base/task.h"
 #include "base/threading/thread.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/url_constants.h"
 #include "grit/component_extension_resources_map.h"
 #include "grit/theme_resources.h"
 #include "googleurl/src/gurl.h"
@@ skipping 339 matching lines @@
 
 void ExtensionIconSource::ClearData(int request_id) {
   std::map<int, ExtensionIconRequest*>::iterator i =
       request_map_.find(request_id);
   if (i == request_map_.end())
     return;
 
   delete i->second;
   request_map_.erase(i);
 }