[NOT FOR COMMIT] Fully replace SkCanvas uses.

cc/playback/clip_display_item.cc

Index: cc/playback/clip_display_item.cc
diff --git a/cc/playback/clip_display_item.cc b/cc/playback/clip_display_item.cc
index 906706a233efcab0ce93034882520445f502891a..858e1789f630834162554e4aaf9df1d690a8433a 100644
--- a/cc/playback/clip_display_item.cc
+++ b/cc/playback/clip_display_item.cc
@@ -62,7 +62,7 @@ void ClipDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   details->set_antialias(antialias_);
 }
 
-void ClipDisplayItem::Raster(SkCanvas* canvas,
+void ClipDisplayItem::Raster(CdlCanvas* canvas,
                              SkPicture::AbortCallback* callback) const {
   canvas->save();
   canvas->clipRect(gfx::RectToSkRect(clip_rect_), SkRegion::kIntersect_Op,
@@ -123,7 +123,7 @@ void EndClipDisplayItem::ToProtobuf(proto::DisplayItem* proto) const {
   proto->set_type(proto::DisplayItem::Type_EndClip);
 }
 
-void EndClipDisplayItem::Raster(SkCanvas* canvas,
+void EndClipDisplayItem::Raster(CdlCanvas* canvas,
                                 SkPicture::AbortCallback* callback) const {
   canvas->restore();
 }