Raster PictureLayerTiling with fractional translation

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 11112 matching lines @@
 
   Region empty_invalidation;
   scoped_refptr<RasterSource> raster_source_with_tiles(
       FakeRasterSource::CreateFilled(gfx::Size(10, 10)));
 
   std::unique_ptr<FakePictureLayerImpl> layer =
       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->tilings()->AddTiling(ScaleTranslate2d(), 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()->UpdateTilePriorities(gfx::Rect(gfx::Size(10, 10)), 1.f, 1.0,
                                          Occlusion(), true);
   host_impl_->pending_tree()->SetRootLayerForTesting(std::move(layer));
 
   FakePictureLayerImpl* root_layer = static_cast<FakePictureLayerImpl*>(
@@ skipping 950 matching lines @@
     else
       EXPECT_FALSE(tile->HasRasterTask());
   }
   Region expected_invalidation(
       raster_source->GetRectForImage(checkerable_image->uniqueID()));
   EXPECT_EQ(expected_invalidation, *(root->GetPendingInvalidation()));
 }
 
 }  // namespace
 }  // namespace cc