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

chrome_frame/custom_sync_call_context.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_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_
 #define CHROME_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/waitable_event.h"
+#include "base/tuple.h"
 #include "chrome_frame/sync_msg_reply_dispatcher.h"
 #include "chrome_frame/chrome_frame_automation.h"
 #include "ipc/ipc_sync_message.h"
 
 // Class that maintains contextual information for the create and connect
 // external tab operations.
 class CreateExternalTabContext
     : public SyncMessageReplyDispatcher::SyncMessageCallContext {
  public:
   typedef Tuple4<HWND, HWND, int, int> output_type;
@@ skipping 30 matching lines @@
   UnloadContext(base::WaitableEvent* unload_done, bool* should_unload);
 
   void Completed(bool should_unload);
 
  private:
   base::WaitableEvent* unload_done_;
   bool* should_unload_;
 };
 
 #endif  // CHROME_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_