Remove Sk(Float|Double)PinToFixed functions, only used in tests.

include/private/SkFixed.h

Index: include/private/SkFixed.h
diff --git a/include/private/SkFixed.h b/include/private/SkFixed.h
index dade2399d13f458e1f0ba816ef29dbf734a4e8fb..640f0e7ea3e1316f3d1139f3d6653bfaaed6a26c 100644
--- a/include/private/SkFixed.h
+++ b/include/private/SkFixed.h
@@ -33,17 +33,6 @@ typedef int32_t             SkFixed;
 #define SkFixedToFloat(x)   ((x) * 1.52587890625e-5f)
 #define SkFloatToFixed(x)   ((SkFixed)((x) * SK_Fixed1))
 
-// Pins over/under flows to SK_FixedMax/SK_FixedMin (slower than just a cast).
-static inline SkFixed SkFloatPinToFixed(float x) {
-    x *= SK_Fixed1;
-    // Casting float to int outside the range of the target type (int32_t) is undefined behavior.
-    if (x >= SK_FixedMax) return SK_FixedMax;
-    if (x <= SK_FixedMin) return SK_FixedMin;
-    const SkFixed result = static_cast<SkFixed>(x);
-    SkASSERT(truncf(x) == static_cast<float>(result));
-    return result;
-}
-
 #ifdef SK_DEBUG
     static inline SkFixed SkFloatToFixed_Check(float x) {
         int64_t n64 = (int64_t)(x * SK_Fixed1);
@@ -58,17 +47,6 @@ static inline SkFixed SkFloatPinToFixed(float x) {
 #define SkFixedToDouble(x)  ((x) * 1.52587890625e-5)
 #define SkDoubleToFixed(x)  ((SkFixed)((x) * SK_Fixed1))
 
-// Pins over/under flows to SK_FixedMax/SK_FixedMin (slower than just a cast).
-static inline SkFixed SkDoublePinToFixed(double x) {
-    x *= SK_Fixed1;
-    // Casting double to int outside the range of the target type (int32_t) is undefined behavior.
-    if (x >= SK_FixedMax) return SK_FixedMax;
-    if (x <= SK_FixedMin) return SK_FixedMin;
-    const SkFixed result = static_cast<SkFixed>(x);
-    SkASSERT(trunc(x) == static_cast<double>(result));
-    return result;
-}
-
 /** Converts an integer to a SkFixed, asserting that the result does not overflow
     a 32 bit signed integer
 */
@@ -158,13 +136,11 @@ inline SkFixed SkFixedMul_longlong(SkFixed a, SkFixed b) {
 
 #define SkFixedToScalar(x)          SkFixedToFloat(x)
 #define SkScalarToFixed(x)          SkFloatToFixed(x)
-#define SkScalarPinToFixed(x)       SkFloatPinToFixed(x)
 
 #else   // SK_SCALAR_IS_DOUBLE
 
 #define SkFixedToScalar(x)          SkFixedToDouble(x)
 #define SkScalarToFixed(x)          SkDoubleToFixed(x)
-#define SkScalarPinToFixed(x)       SkDoublePinToFixed(x)
 
 #endif