[NOT FOR COMMIT] Fully replace SkCanvas uses.

cc/test/skia_common.cc

Index: cc/test/skia_common.cc
diff --git a/cc/test/skia_common.cc b/cc/test/skia_common.cc
index ec399087f54e8ee19f2722150eec95d0a12bdc7d..04d1b8f7c1c801c75c3b89f82e1a98636a205277 100644
--- a/cc/test/skia_common.cc
+++ b/cc/test/skia_common.cc
@@ -47,7 +47,7 @@ void DrawDisplayList(unsigned char* buffer,
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
   SkBitmap bitmap;
   bitmap.installPixels(info, buffer, info.minRowBytes());
-  SkCanvas canvas(bitmap);
+  CdlCanvas canvas(bitmap);
   canvas.clipRect(gfx::RectToSkRect(layer_rect));
   list->Raster(&canvas, NULL, layer_rect, 1.0f);
 }