Mechanical refactor to move ElementsKind type out of JSObject.

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index e752b714e4a6040d056fac630b37e809cb2c6201..038049ca068bf337c9e409712ac67889441373bf 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -1184,7 +1184,7 @@ class LLoadKeyedSpecializedArrayElement: public LTemplateInstruction<1, 2, 0> {
 
   LOperand* external_pointer() { return inputs_[0]; }
   LOperand* key() { return inputs_[1]; }
-  JSObject::ElementsKind elements_kind() const {
+  ElementsKind elements_kind() const {
     return hydrogen()->elements_kind();
   }
 };
@@ -1699,7 +1699,7 @@ class LStoreKeyedSpecializedArrayElement: public LTemplateInstruction<0, 3, 0> {
   LOperand* external_pointer() { return inputs_[0]; }
   LOperand* key() { return inputs_[1]; }
   LOperand* value() { return inputs_[2]; }
-  JSObject::ElementsKind elements_kind() const {
+  ElementsKind elements_kind() const {
     return hydrogen()->elements_kind();
   }
 };