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

cc/base/math_util.h

Index: cc/base/math_util.h
diff --git a/cc/base/math_util.h b/cc/base/math_util.h
index 6a13a38580476ae9d83125465b96badb89d44b2e..3af2102152098df6b4890f1446061cc26ee4a9b8 100644
--- a/cc/base/math_util.h
+++ b/cc/base/math_util.h
@@ -178,6 +178,7 @@ class CC_EXPORT MathUtil {
   static scoped_ptr<base::Value> AsValue(const gfx::Rect& r);
   static bool FromValue(const base::Value*, gfx::Rect* out_rect);
   static scoped_ptr<base::Value> AsValue(const gfx::PointF& q);
+  static scoped_ptr<base::Value> AsValue(const gfx::Point3F&);
   static scoped_ptr<base::Value> AsValue(const gfx::Vector2d& v);
   static scoped_ptr<base::Value> AsValue(const gfx::QuadF& q);
   static scoped_ptr<base::Value> AsValue(const gfx::RectF& rect);