Raster PictureLayerTiling with fractional translation

cc/test/fake_picture_layer_tiling_client.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/test/fake_picture_layer_tiling_client.h"
 
 #include <stddef.h>
 
 #include <limits>
 
@@ skipping 48 matching lines @@
 const Region* FakePictureLayerTilingClient::GetPendingInvalidation() {
   return &invalidation_;
 }
 
 const PictureLayerTiling*
 FakePictureLayerTilingClient::GetPendingOrActiveTwinTiling(
     const PictureLayerTiling* tiling) const {
   if (!twin_set_)
     return twin_tiling_;
   for (size_t i = 0; i < twin_set_->num_tilings(); ++i) {
-    if (twin_set_->tiling_at(i)->contents_scale() == tiling->contents_scale())
+    if (twin_set_->tiling_at(i)->raster_transform() ==
+        tiling->raster_transform())
       return twin_set_->tiling_at(i);
   }
   return nullptr;
 }
 
 bool FakePictureLayerTilingClient::RequiresHighResToDraw() const {
   return false;
 }
 
 }  // namespace cc