base::Bind: Cleanup in automation.

base/message_loop.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 BASE_MESSAGE_LOOP_H_
 #define BASE_MESSAGE_LOOP_H_
 #pragma once
 
 #include <queue>
 #include <string>
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
+#include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop_proxy.h"
 #include "base/message_pump.h"
 #include "base/observer_list.h"
 #include "base/synchronization/lock.h"
 #include "base/task.h"
 #include "base/time.h"
 
@@ skipping 214 matching lines @@
   // Return as soon as all items that can be run are taken care of.
   void RunAllPending();
 
   // Signals the Run method to return after it is done processing all pending
   // messages.  This method may only be called on the same thread that called
   // Run, and Run must still be on the call stack.
   //
   // Use QuitTask if you need to Quit another thread's MessageLoop, but note
   // that doing so is fairly dangerous if the target thread makes nested calls
   // to MessageLoop::Run.  The problem being that you won't know which nested
-  // run loop you are quiting, so be careful!
+  // run loop you are quitting, so be careful!
   //
   void Quit();
 
   // This method is a variant of Quit, that does not wait for pending messages
   // to be processed before returning from Run.
   void QuitNow();
 
   // Invokes Quit on the current MessageLoop when run.  Useful to schedule an
   // arbitrary MessageLoop to Quit.
   class QuitTask : public Task {
    public:
     virtual void Run() {
       MessageLoop::current()->Quit();
     }
   };
 
+  static base::Closure QuitClosure() {
+    return base::Bind(&MessageLoop::Quit,
+                      base::Unretained(MessageLoop::current()));
+  }
+
   // Returns the type passed to the constructor.
   Type type() const { return type_; }
 
   // Optional call to connect the thread name with this loop.
   void set_thread_name(const std::string& thread_name) {
     DCHECK(thread_name_.empty()) << "Should not rename this thread!";
     thread_name_ = thread_name;
   }
   const std::string& thread_name() const { return thread_name_; }
 
@@ skipping 432 matching lines @@
 #endif  // defined(OS_POSIX)
 };
 
 // Do not add any member variables to MessageLoopForIO!  This is important b/c
 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO).  Any extra
 // data that you need should be stored on the MessageLoop's pump_ instance.
 COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
                MessageLoopForIO_should_not_have_extra_member_variables);
 
 #endif  // BASE_MESSAGE_LOOP_H_