cc: Rename picture layer tiling method to reflect its new functionality.

cc/resources/picture_layer_tiling.cc

 // 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.
 
 #include "cc/resources/picture_layer_tiling.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <set>
@@ skipping 788 matching lines @@
 
   bool tile_is_visible = current_visible_rect_.Intersects(tile->content_rect());
   if (!tile_is_visible)
     return false;
 
   if (IsTileOccludedOnCurrentTree(tile))
     return false;
   return true;
 }
 
-void PictureLayerTiling::UpdateTileAndTwinPriority(Tile* tile) const {
+void PictureLayerTiling::UpdateTilePriority(Tile* tile) const {
   tile->set_priority(ComputePriorityForTile(tile));
   tile->set_is_occluded(IsTileOccluded(tile));
   tile->set_required_for_activation(IsTileRequiredForActivation(tile));
   tile->set_required_for_draw(IsTileRequiredForDraw(tile));
 }
 
 void PictureLayerTiling::VerifyAllTilesHaveCurrentRasterSource() const {
 #if DCHECK_IS_ON()
   for (const auto& tile_pair : tiles_)
     DCHECK_EQ(raster_source_.get(), tile_pair.second->raster_source());
@@ skipping 211 matching lines @@
       break;
   }
 
   gfx::Rect result(origin_x, origin_y, width, height);
   if (cache)
     cache->previous_result = result;
   return result;
 }
 
 }  // namespace cc