Move MessageLoop TaskQueues to pointers.

base/message_loop.h

 // Copyright (c) 2006-2008 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_
 
 #include <queue>
 #include <string>
 
@@ skipping 347 matching lines @@
   // If message_histogram_ is NULL, this is a no-op.
   void HistogramEvent(int event);
 
   static const LinearHistogram::DescriptionPair event_descriptions_[];
   static bool enable_histogrammer_;
 
   Type type_;
 
   // A list of tasks that need to be processed by this instance.  Note that
   // this queue is only accessed (push/pop) by our current thread.
-  TaskQueue work_queue_;
+  scoped_ptr<TaskQueue> work_queue_;
 
   // Contains delayed tasks, sorted by their 'delayed_run_time' property.
   DelayedTaskQueue delayed_work_queue_;
 
   // A queue of non-nestable tasks that we had to defer because when it came
   // time to execute them we were in a nested message loop.  They will execute
   // once we're out of nested message loops.
   TaskQueue deferred_non_nestable_work_queue_;
 
   scoped_refptr<base::MessagePump> pump_;
 
   ObserverList<DestructionObserver> destruction_observers_;
 
   // A recursion block that prevents accidentally running additonal tasks when
   // insider a (accidentally induced?) nested message pump.
   bool nestable_tasks_allowed_;
 
   bool exception_restoration_;
 
   std::string thread_name_;
   // A profiling histogram showing the counts of various messages and events.
   scoped_ptr<LinearHistogram> message_histogram_;
 
   // A null terminated list which creates an incoming_queue of tasks that are
   // aquired under a mutex for processing on this instance's thread. These tasks
   // have not yet been sorted out into items for our work_queue_ vs items that
   // will be handled by the TimerManager.
-  TaskQueue incoming_queue_;
+  scoped_ptr<TaskQueue> incoming_queue_;
   // Protect access to incoming_queue_.
   Lock incoming_queue_lock_;
 
   RunState* state_;
 
   // The next sequence number to use for delayed tasks.
   int next_sequence_num_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageLoop);
 };
@@ skipping 97 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_