Update from https://crrev.com/314320

cc/resources/tile_task_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_TILE_TASK_WORKER_POOL_H_
 #define CC_RESOURCES_TILE_TASK_WORKER_POOL_H_
 
 #include "base/threading/platform_thread.h"
 #include "cc/resources/tile_task_runner.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace cc {
 class RasterSource;
 class RenderingStatsInstrumentation;
 
 class CC_EXPORT TileTaskWorkerPool {
  public:
   static unsigned kBenchmarkTaskPriority;
-  static unsigned kTaskSetFinishedTaskPriority;
+  static unsigned kTaskSetFinishedTaskPriorityBase;
   static unsigned kTileTaskPriorityBase;
 
   TileTaskWorkerPool();
   virtual ~TileTaskWorkerPool();
 
   // Set the number of threads to use for the global TaskGraphRunner instance.
   // This can only be called once and must be called prior to
   // GetNumWorkerThreads().
   static void SetNumWorkerThreads(int num_threads);
 
@@ skipping 43 matching lines @@
                                const gfx::Rect& rect,
                                float scale);
 
   // Type-checking downcast routine.
   virtual TileTaskRunner* AsTileTaskRunner() = 0;
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_TASK_WORKER_POOL_H_