Use SkTMin and SkTMax for clamp/pin.

include/core/SkScalar.h

Index: include/core/SkScalar.h
diff --git a/include/core/SkScalar.h b/include/core/SkScalar.h
index 3c1787ed2da5ead04788b16ba50cbb8e9116b127..fae23eb23a6c9a9b7862c215a41fb9f5ec4841d7 100644
--- a/include/core/SkScalar.h
+++ b/include/core/SkScalar.h
@@ -169,11 +169,15 @@ static inline int SkDScalarRoundToInt(SkScalar x) {
 }
 
 static inline SkScalar SkScalarClampMax(SkScalar x, SkScalar max) {
-    return x < 0 ? 0 : x > max ? max : x;
+    x = SkTMin(x, max);
+    x = SkTMax<SkScalar>(x, 0);
+    return x;
 }
 
 static inline SkScalar SkScalarPin(SkScalar x, SkScalar min, SkScalar max) {
-    return x < min ? min : x > max ? max : x;
+    x = SkTMin(x, max);
+    x = SkTMax(x, min);
+    return x;
 }
 
 SkScalar SkScalarSinCos(SkScalar radians, SkScalar* cosValue);