Raster PictureLayerTiling with fractional translation

cc/trees/layer_tree_host_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.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 6022 matching lines @@
         break;
     }
   }
 
   void NotifyTileStateChangedOnThread(LayerTreeHostImpl* host_impl,
                                       const Tile* tile) override {
     if (frame_ == 3) {
       // On frame 3, we will have a lower res tile complete for the pinch-out
       // gesture even though it's not displayed. We wait for it here to prevent
       // flakiness.
-      EXPECT_EQ(0.75f, tile->contents_scale());
+      EXPECT_EQ(ScaleTranslate2d(0.75f, gfx::Vector2dF()),
+                tile->raster_transform());
       PostNextAfterDraw(host_impl);
     }
     // On frame_ == 4, we are preventing texture uploads from completing,
     // so this verifies they are not completing before frame_ == 5.
     // Flaky failures here indicate we're failing to prevent uploads from
     // completing.
-    EXPECT_NE(4, frame_) << tile->contents_scale();
+    EXPECT_NE(4, frame_) << tile->contents_scale_key();
   }
 
   void AfterTest() override {}
 
   FakeContentLayerClient client_;
   int frame_;
   bool posted_;
   base::WaitableEvent playback_allowed_event_;
 };
 
@@ skipping 1270 matching lines @@
     DCHECK_EQ(hud->scroll_tree_index(), root_layer->scroll_tree_index());
   }
 
   void AfterTest() override {}
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestHudLayerWithLayerLists);
 
 }  // namespace
 }  // namespace cc