Update from chromium https://crrev.com/301725/

cc/test/fake_picture_layer_tiling_client.cc

Index: cc/test/fake_picture_layer_tiling_client.cc
diff --git a/cc/test/fake_picture_layer_tiling_client.cc b/cc/test/fake_picture_layer_tiling_client.cc
index ce46c917615fb04a15275c2f8c1b9e5668676877..2149ff4792f401de9be9831af7358c7210d4e078 100644
--- a/cc/test/fake_picture_layer_tiling_client.cc
+++ b/cc/test/fake_picture_layer_tiling_client.cc
@@ -47,7 +47,7 @@ scoped_refptr<Tile> FakePictureLayerTilingClient::CreateTile(
   return tile_manager_->CreateTile(pile_.get(), tile_size_, rect, 1, 0, 0, 0);
 }
 
-PicturePileImpl* FakePictureLayerTilingClient::GetPile() {
+RasterSource* FakePictureLayerTilingClient::GetRasterSource() {
   return pile_.get();
 }
 
@@ -73,12 +73,13 @@ int FakePictureLayerTilingClient::GetSkewportExtrapolationLimitInContentPixels()
   return skewport_extrapolation_limit_in_content_pixels_;
 }
 
-const Region* FakePictureLayerTilingClient::GetInvalidation() {
+const Region* FakePictureLayerTilingClient::GetPendingInvalidation() {
   return &invalidation_;
 }
 
-const PictureLayerTiling* FakePictureLayerTilingClient::GetTwinTiling(
-      const PictureLayerTiling* tiling) const {
+const PictureLayerTiling*
+FakePictureLayerTilingClient::GetPendingOrActiveTwinTiling(
+    const PictureLayerTiling* tiling) const {
   return twin_tiling_;
 }