cc: Remove unused kOnDemandRasterTaskPriority.

cc/resources/raster_worker_pool.h

 // Copyright 2013 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 CC_RESOURCES_RASTER_WORKER_POOL_H_
 #define CC_RESOURCES_RASTER_WORKER_POOL_H_
 
 #include "cc/resources/rasterizer.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace cc {
 
 class CC_EXPORT RasterWorkerPool {
  public:
-  static unsigned kOnDemandRasterTaskPriority;
   static unsigned kBenchmarkRasterTaskPriority;
   static unsigned kRasterFinishedTaskPriority;
   static unsigned kRasterTaskPriorityBase;
 
   RasterWorkerPool();
   virtual ~RasterWorkerPool();
 
   // Set the number of threads to use for the global TaskGraphRunner instance.
   // This can only be called once and must be called prior to
   // GetNumRasterThreads().
@@ skipping 43 matching lines @@
                                      uint8_t* buffer,
                                      ResourceFormat format);
 
   // Type-checking downcast routine.
   virtual Rasterizer* AsRasterizer() = 0;
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RASTER_WORKER_POOL_H_