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

content/browser/in_process_webkit/indexed_db_context.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 "content/browser/in_process_webkit/indexed_db_context.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "base/string_util.h"
-#include "base/task.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/in_process_webkit/indexed_db_quota_client.h"
 #include "content/browser/in_process_webkit/webkit_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBDatabase.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
@@ skipping 316 matching lines @@
     }
   }
   return origin_set_.get();
 }
 
 void IndexedDBContext::ResetCaches() {
   origin_set_.reset();
   origin_size_map_.clear();
   space_available_map_.clear();
 }