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

chrome/browser/safe_browsing/protocol_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/browser/safe_browsing/protocol_manager.h"
 
 #ifndef NDEBUG
 #include "base/base64.h"
 #endif
 #include "base/bind.h"
 #include "base/environment.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/rand_util.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
-#include "base/task.h"
 #include "base/timer.h"
 #include "chrome/browser/safe_browsing/protocol_parser.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/env_vars.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/url_fetcher.h"
 #include "net/base/escape.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_request_context_getter.h"
@@ skipping 804 matching lines @@
   if (!additional_query_.empty()) {
     if (next_url.find("?") != std::string::npos) {
       next_url.append("&");
     } else {
       next_url.append("?");
     }
     next_url.append(additional_query_);
   }
   return GURL(next_url);
 }