Add more debugging for newly failing assert (DM on Xoom bots).

src/core/SkGeometry.cpp

Index: src/core/SkGeometry.cpp
diff --git a/src/core/SkGeometry.cpp b/src/core/SkGeometry.cpp
index 646dfb05b9d4f8eddf59c3e0d8ea694c93fabcd3..254f79bf04b7730589452c4c0cd9daf0eea26d4e 100644
--- a/src/core/SkGeometry.cpp
+++ b/src/core/SkGeometry.cpp
@@ -102,7 +102,7 @@ static int valid_unit_divide(SkScalar numer, SkScalar denom, SkScalar* ratio) {
     if (SkScalarIsNaN(r)) {
         return 0;
     }
-    SkASSERT(r >= 0 && r < SK_Scalar1);
+    SkASSERTF(r >= 0 && r < SK_Scalar1, "numer %f, denom %f, r %f", numer, denom, r);

[tfarina, 2014/09/12 17:16:23]

lgtm (rubber-stamp).

     if (r == 0) { // catch underflow if numer <<<< denom
         return 0;
     }