Replace SkPin32 with SkTPin and remove.

src/core/SkString.cpp

Index: src/core/SkString.cpp
diff --git a/src/core/SkString.cpp b/src/core/SkString.cpp
index 9110d80eb9d704966ec5216be0a6e86307f3281a..d93f662da3d8bc0a80ca96903752bbcc3977ba1e 100644
--- a/src/core/SkString.cpp
+++ b/src/core/SkString.cpp
@@ -509,7 +509,7 @@ void SkString::insertU64(size_t offset, uint64_t dec, int minDigits) {
 }
 
 void SkString::insertHex(size_t offset, uint32_t hex, int minDigits) {
-    minDigits = SkPin32(minDigits, 0, 8);
+    minDigits = SkTPin(minDigits, 0, 8);
 
     static const char gHex[] = "0123456789ABCDEF";