Update from chromium https://crrev.com/304586

cc/debug/rasterize_and_record_benchmark_impl.cc

 // 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.
 
 #include "cc/debug/rasterize_and_record_benchmark_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 81 matching lines @@
   FixedInvalidationPictureLayerTilingClient(
       PictureLayerTilingClient* base_client,
       const Region invalidation)
       : base_client_(base_client), invalidation_(invalidation) {}
 
   scoped_refptr<Tile> CreateTile(PictureLayerTiling* tiling,
                                  const gfx::Rect& content_rect) override {
     return base_client_->CreateTile(tiling, content_rect);
   }
 
-  RasterSource* GetRasterSource() override {
-    return base_client_->GetRasterSource();
-  }
-
   gfx::Size CalculateTileSize(const gfx::Size& content_bounds) const override {
     return base_client_->CalculateTileSize(content_bounds);
   }
 
   // This is the only function that returns something different from the base
   // client. Avoids sharing tiles in this area.
   const Region* GetPendingInvalidation() override { return &invalidation_; }
 
   const PictureLayerTiling* GetPendingOrActiveTwinTiling(
       const PictureLayerTiling* tiling) const override {
@@ skipping 94 matching lines @@
   }
 
   TaskGraphRunner* task_graph_runner = RasterWorkerPool::GetTaskGraphRunner();
   DCHECK(task_graph_runner);
 
   if (!task_namespace_.IsValid())
     task_namespace_ = task_graph_runner->GetNamespaceToken();
 
   FixedInvalidationPictureLayerTilingClient client(
       layer, gfx::Rect(layer->content_bounds()));
-  PictureLayerTilingSet tiling_set(&client);
+  auto tiling_set = PictureLayerTilingSet::Create(&client);
 
   PictureLayerTiling* tiling =
-      tiling_set.AddTiling(layer->contents_scale_x(), layer->bounds());
+      tiling_set->AddTiling(layer->contents_scale_x(), layer->bounds());
   tiling->CreateAllTilesForTesting();
   for (PictureLayerTiling::CoverageIterator it(
            tiling, layer->contents_scale_x(), layer->visible_content_rect());
        it;
        ++it) {
     DCHECK(*it);
 
     RasterSource* raster_source = (*it)->raster_source();
     gfx::Rect content_rect = (*it)->content_rect();
     float contents_scale = (*it)->contents_scale();
@@ skipping 40 matching lines @@
       pixels_rasterized_with_non_solid_color(0),
       pixels_rasterized_as_opaque(0),
       total_layers(0),
       total_picture_layers(0),
       total_picture_layers_with_no_content(0),
       total_picture_layers_off_screen(0) {}
 
 RasterizeAndRecordBenchmarkImpl::RasterizeResults::~RasterizeResults() {}
 
 }  // namespace cc