[heap] MemoryChunk cleanup

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 83c7ce891758b9ca68091d18dad3dd3404dc70da..3b2e67ea71dfb264c23ef8be6375141835f6def9 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -173,9 +173,8 @@ void MacroAssembler::PopCallerSaved(SaveFPRegsMode fp_mode, Register exclusion1,
 void MacroAssembler::InNewSpace(Register object, Register scratch, Condition cc,
                                 Label* condition_met,
                                 Label::Distance distance) {
-  const int mask =
-      (1 << MemoryChunk::IN_FROM_SPACE) | (1 << MemoryChunk::IN_TO_SPACE);
-  CheckPageFlag(object, scratch, mask, cc, condition_met, distance);
+  CheckPageFlag(object, scratch, MemoryChunk::kIsInNewSpaceMask, cc,
+                condition_met, distance);
 }