Get rid of graphics layer anchor points, and replace with transform origin.

cc/layers/solid_color_scrollbar_layer_impl_unittest.cc

Index: cc/layers/solid_color_scrollbar_layer_impl_unittest.cc
diff --git a/cc/layers/solid_color_scrollbar_layer_impl_unittest.cc b/cc/layers/solid_color_scrollbar_layer_impl_unittest.cc
index 480cd64d7edb30a2d9e4df26f543bbfe53bc3ae4..809944857db4246d1d51869b10bbdc6c48b748e3 100644
--- a/cc/layers/solid_color_scrollbar_layer_impl_unittest.cc
+++ b/cc/layers/solid_color_scrollbar_layer_impl_unittest.cc
@@ -29,7 +29,7 @@ TEST(SolidColorScrollbarLayerImplTest, Occlusion) {
           track_start,
           is_left_side_vertical_scrollbar,
           is_overlay);
-  scrollbar_layer_impl->SetAnchorPoint(gfx::PointF());
+  scrollbar_layer_impl->SetTransformOrigin(gfx::Point3F());
   scrollbar_layer_impl->SetBounds(layer_size);
   scrollbar_layer_impl->SetContentBounds(layer_size);
   scrollbar_layer_impl->SetDrawsContent(true);