[NOT FOR COMMIT] Fully replace SkCanvas uses.

cc/playback/transform_display_item.cc

Index: cc/playback/transform_display_item.cc
diff --git a/cc/playback/transform_display_item.cc b/cc/playback/transform_display_item.cc
index ef281362674939de39e864c6283fb019a7240146..6b8337474bd7e23559af6e7716fa23e12976434f 100644
--- a/cc/playback/transform_display_item.cc
+++ b/cc/playback/transform_display_item.cc
@@ -42,7 +42,7 @@ void TransformDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   TransformToProto(transform_, details->mutable_transform());
 }
 
-void TransformDisplayItem::Raster(SkCanvas* canvas,
+void TransformDisplayItem::Raster(CdlCanvas* canvas,
                                   SkPicture::AbortCallback* callback) const {
   canvas->save();
   if (!transform_.IsIdentity())
@@ -75,9 +75,8 @@ void EndTransformDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   proto->set_type(proto::DisplayItem::Type_EndTransform);
 }
 
-void EndTransformDisplayItem::Raster(
-    SkCanvas* canvas,
-    SkPicture::AbortCallback* callback) const {
+void EndTransformDisplayItem::Raster(CdlCanvas* canvas,
+                                     SkPicture::AbortCallback* callback) const {
   canvas->restore();
 }