Ignore rounding error between clip_layer_length_ and scroll_layer_length_

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 7bccfea37181ee7e70cb5686a8c0a6f5b5589aff..f6af9538716fd7f3ea0a3ae33cd6b88e7df8031e 100644
--- a/cc/base/math_util.h
+++ b/cc/base/math_util.h
@@ -296,6 +296,7 @@ class CC_BASE_EXPORT MathUtil {
   // Returns vector that y axis (0,1,0) transforms to under given transform.
   static gfx::Vector3dF GetYAxis(const gfx::Transform& transform);
 
+  static bool IsFloatNearlyTheSame(float left, float right);
   static bool IsNearlyTheSameForTesting(float left, float right);
   static bool IsNearlyTheSameForTesting(const gfx::PointF& l,
                                         const gfx::PointF& r);