Use simple/fast macro version of MinMax in JS

src/arraybuffer.js

Index: src/arraybuffer.js
diff --git a/src/arraybuffer.js b/src/arraybuffer.js
index 2c1e9bd263c28a04a91f64a67dac2826e1758ab8..338124a1f7a41779c7e1cfded27f14713f1851bd 100644
--- a/src/arraybuffer.js
+++ b/src/arraybuffer.js
@@ -13,15 +13,8 @@
 
 var GlobalArrayBuffer = global.ArrayBuffer;
 var GlobalObject = global.Object;
-var MathMax;
-var MathMin;
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 
-utils.Import(function(from) {
-  MathMax = from.MathMax;
-  MathMin = from.MathMin;
-});
-
 // -------------------------------------------------------------------
 
 function ArrayBufferConstructor(length) { // length = 1
@@ -55,16 +48,16 @@ function ArrayBufferSlice(start, end) {
   var first;
   var byte_length = %_ArrayBufferGetByteLength(this);
   if (relativeStart < 0) {
-    first = MathMax(byte_length + relativeStart, 0);
+    first = MAX_SIMPLE(byte_length + relativeStart, 0);
   } else {
-    first = MathMin(relativeStart, byte_length);
+    first = MIN_SIMPLE(relativeStart, byte_length);
   }
   var relativeEnd = IS_UNDEFINED(end) ? byte_length : end;
   var fin;
   if (relativeEnd < 0) {
-    fin = MathMax(byte_length + relativeEnd, 0);
+    fin = MAX_SIMPLE(byte_length + relativeEnd, 0);
   } else {
-    fin = MathMin(relativeEnd, byte_length);
+    fin = MIN_SIMPLE(relativeEnd, byte_length);
   }
 
   if (fin < first) {