content/gpu: Simplify stub scheduling.

gpu/command_buffer/service/gpu_scheduler.h

 // Copyright (c) 2012 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 GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_
 
 #include <queue>
 
 #include "base/atomic_ref_count.h"
@@ skipping 108 matching lines @@
   // reason for context lost.
   gles2::GLES2Decoder* decoder_;
 
   // TODO(apatrick): The GpuScheduler currently creates and owns the parser.
   // This should be an argument to the constructor.
   scoped_ptr<CommandParser> parser_;
 
   // Greater than zero if this is waiting to be rescheduled before continuing.
   int unscheduled_count_;
 
-  // The number of times this scheduler has been artificially rescheduled on
-  // account of a timeout.
-  int rescheduled_count_;
-
   SchedulingChangedCallback scheduling_changed_callback_;
   base::Closure descheduled_callback_;
   base::Closure command_processed_callback_;
 
   // If non-NULL and |preemption_flag_->IsSet()|, exit PutChanged early.
   scoped_refptr<PreemptionFlag> preemption_flag_;
   bool was_preempted_;
 
-  // A factory for outstanding rescheduling tasks that is invalidated whenever
-  // the scheduler is rescheduled.
-  base::WeakPtrFactory<GpuScheduler> reschedule_task_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(GpuScheduler);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_