cc: Stop pushing properties every activation for picture layers.

cc/resources/picture_layer_tiling_set.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_set.h"
 
 #include <limits>
 #include <set>
 #include <vector>
 
@@ skipping 190 matching lines @@
   for (size_t i = 0; i < tilings_.size(); ++i) {
     DCHECK_NE(tilings_[i]->contents_scale(), contents_scale);
     DCHECK_EQ(tilings_[i]->raster_source(), raster_source.get());
   }
 
   tilings_.push_back(PictureLayerTiling::Create(
       contents_scale, raster_source, client_, max_tiles_for_interest_area_,
       skewport_target_time_in_seconds_,
       skewport_extrapolation_limit_in_content_pixels_));
   PictureLayerTiling* appended = tilings_.back();
-
   tilings_.sort(LargestToSmallestScaleFunctor());
   return appended;
 }
 
 int PictureLayerTilingSet::NumHighResTilings() const {
   int num_high_res = 0;
   for (size_t i = 0; i < tilings_.size(); ++i) {
     if (tilings_[i]->resolution() == HIGH_RESOLUTION)
       num_high_res++;
   }
@@ skipping 314 matching lines @@
     case LOWER_THAN_LOW_RES:
       range = TilingRange(low_res_range.end, tilings_.size());
       break;
   }
 
   DCHECK_LE(range.start, range.end);
   return range;
 }
 
 }  // namespace cc