Remove FieldType::Iterator.

src/ic/ia32/handler-compiler-ia32.cc

Index: src/ic/ia32/handler-compiler-ia32.cc
diff --git a/src/ic/ia32/handler-compiler-ia32.cc b/src/ic/ia32/handler-compiler-ia32.cc
index ab28477e61c738a22e4ff461f1a5e031ba4f6454..e8d760390c05561100545317545958ec37c959d7 100644
--- a/src/ic/ia32/handler-compiler-ia32.cc
+++ b/src/ic/ia32/handler-compiler-ia32.cc
@@ -407,20 +407,11 @@ void NamedStoreHandlerCompiler::GenerateFieldTypeChecks(FieldType* field_type,
   DCHECK(!value_reg.is(map_reg));
   DCHECK(!value_reg.is(scratch));
   __ JumpIfSmi(value_reg, miss_label);
-  FieldType::Iterator it = field_type->Classes();
-  if (!it.Done()) {
-    Label do_store;
+  if (field_type->IsClass()) {
     __ mov(map_reg, FieldOperand(value_reg, HeapObject::kMapOffset));
-    while (true) {
-      __ CmpWeakValue(map_reg, Map::WeakCellForMap(it.Current()), scratch);
-      it.Advance();
-      if (it.Done()) {
-        __ j(not_equal, miss_label);
-        break;
-      }
-      __ j(equal, &do_store, Label::kNear);
-    }
-    __ bind(&do_store);
+    __ CmpWeakValue(map_reg, Map::WeakCellForMap(field_type->AsClass()),
+                    scratch);
+    __ j(not_equal, miss_label);
   }
 }