cc: Remove unused Tile ctor parameter (raster_source).

cc/resources/prioritized_tile.cc

 // Copyright 2015 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.
 
 #include "cc/resources/prioritized_tile.h"
 
+#include "cc/debug/traced_value.h"
 #include "cc/resources/picture_layer_tiling.h"
 
 namespace cc {
 
 PrioritizedTile::PrioritizedTile()
     : tile_(nullptr), raster_source_(nullptr), is_occluded_(false) {
 }
 
 PrioritizedTile::PrioritizedTile(Tile* tile,
                                  RasterSource* raster_source,
@@ skipping 14 matching lines @@
   TracedValue::SetIDRef(raster_source(), value, "picture_pile");
 
   value->BeginDictionary("combined_priority");
   priority().AsValueInto(value);
   value->EndDictionary();
 
   value->SetString("resolution", TileResolutionToString(priority().resolution));
 }
 
 }  // namespace cc