Cleanup gfx::Canvas now that 10562027 has landed

ui/compositor/layer_unittest.cc

Index: ui/compositor/layer_unittest.cc
diff --git a/ui/compositor/layer_unittest.cc b/ui/compositor/layer_unittest.cc
index a1e805dc15bbf360ff9c1b62f225001145591d79..4a79e279741ecb6ab434248c78a2755841b348ae 100644
--- a/ui/compositor/layer_unittest.cc
+++ b/ui/compositor/layer_unittest.cc
@@ -238,8 +238,8 @@ class TestLayerDelegate : public LayerDelegate {
 
   // Overridden from LayerDelegate:
   virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE {
-    SkBitmap contents = canvas->ExtractBitmap();
-    paint_size_ = gfx::Size(contents.width(), contents.height());
+    gfx::ImageSkiaRep contents = canvas->ExtractImageRep();
+    paint_size_ = gfx::Size(contents.GetWidth(), contents.GetHeight());
     canvas->FillRect(gfx::Rect(paint_size_), colors_[color_index_]);
     color_index_ = (color_index_ + 1) % static_cast<int>(colors_.size());
     const SkMatrix& matrix = canvas->sk_canvas()->getTotalMatrix();