cc: Set ui/gpu/cc/ipc/upload/raster thread priorities.

cc/raster_worker_pool.h

 // Copyright 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 CC_RASTER_WORKER_POOL_H_
 #define CC_RASTER_WORKER_POOL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 40 matching lines @@
 
      private:
       friend class RasterWorkerPool;
 
       Thread* thread_;
       RenderingStats rendering_stats_;
 
       DISALLOW_COPY_AND_ASSIGN(Task);
     };
 
+    virtual void Init() OVERRIDE;
+
     Thread(const std::string name);
     virtual ~Thread();
 
     int num_pending_tasks() const { return num_pending_tasks_; }
     RenderingStats& rendering_stats() { return rendering_stats_; }
 
    private:
     int num_pending_tasks_;
     RenderingStats rendering_stats_;
 
@@ skipping 18 matching lines @@
 
   typedef std::vector<Thread*> ThreadVector;
   ThreadVector raster_threads_;
 
   DISALLOW_COPY_AND_ASSIGN(RasterWorkerPool);
 };
 
 }  // namespace cc
 
 #endif  // CC_RASTER_WORKER_POOL_H_