cc: Move prepaint region calculations to the tiling set.

cc/trees/layer_tree_host_impl_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 10075 matching lines @@
       FakePictureLayerImpl::Create(host_impl_->pending_tree(), 11);
   layer->SetBounds(gfx::Size(10, 10));
   layer->set_gpu_raster_max_texture_size(host_impl_->device_viewport_size());
   layer->SetDrawsContent(true);
   layer->tilings()->AddTiling(1.0f, raster_source_with_tiles);
   layer->UpdateRasterSource(raster_source_with_tiles, &empty_invalidation,
                             nullptr);
   layer->tilings()->tiling_at(0)->set_resolution(
       TileResolution::HIGH_RESOLUTION);
   layer->tilings()->tiling_at(0)->CreateAllTilesForTesting();
-  layer->tilings()->tiling_at(0)->ComputeTilePriorityRects(
-      gfx::Rect(gfx::Size(10, 10)), 1.f, 1.0, Occlusion());
+  layer->tilings()->UpdateTilePriorities(gfx::Rect(gfx::Size(10, 10)), 1.f, 1.0,
+                                         Occlusion(), true);
   host_impl_->pending_tree()->SetRootLayer(std::move(layer));
 
   FakePictureLayerImpl* root_layer = static_cast<FakePictureLayerImpl*>(
       host_impl_->pending_tree()->root_layer());
 
   root_layer->set_has_valid_tile_priorities(true);
   std::unique_ptr<RasterTilePriorityQueue> non_empty_raster_priority_queue_all =
       host_impl_->BuildRasterQueue(TreePriority::SAME_PRIORITY_FOR_BOTH_TREES,
                                    RasterTilePriorityQueue::Type::ALL);
   EXPECT_FALSE(non_empty_raster_priority_queue_all->IsEmpty());
@@ skipping 597 matching lines @@
 
   // Re-initialize with a software output surface.
   output_surface_ = FakeOutputSurface::CreateSoftware(
       base::WrapUnique(new SoftwareOutputDevice));
   host_impl_->InitializeRenderer(output_surface_.get());
   EXPECT_FALSE(host_impl_->use_gpu_rasterization());
 }
 
 }  // namespace
 }  // namespace cc