Consistently say 'own' property

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 0e0c808f2f628f3373d0823cf996fac472a9eab4..2a6c24bec79d50dc556ff875c05d0b23b37bbe2b 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -6281,13 +6281,12 @@ bool JSReceiver::HasProperty(Handle<JSReceiver> object,
 }
 
 
-bool JSReceiver::HasLocalProperty(Handle<JSReceiver> object,
-                                  Handle<Name> name) {
+bool JSReceiver::HasOwnProperty(Handle<JSReceiver> object, Handle<Name> name) {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasPropertyWithHandler(proxy, name);
   }
-  return GetLocalPropertyAttribute(object, name) != ABSENT;
+  return GetOwnPropertyAttribute(object, name) != ABSENT;
 }
 
 
@@ -6346,7 +6345,7 @@ bool JSReceiver::HasElement(Handle<JSReceiver> object, uint32_t index) {
 }
 
 
-bool JSReceiver::HasLocalElement(Handle<JSReceiver> object, uint32_t index) {
+bool JSReceiver::HasOwnElement(Handle<JSReceiver> object, uint32_t index) {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasElementWithHandler(proxy, index);
@@ -6356,7 +6355,7 @@ bool JSReceiver::HasLocalElement(Handle<JSReceiver> object, uint32_t index) {
 }
 
 
-PropertyAttributes JSReceiver::GetLocalElementAttribute(
+PropertyAttributes JSReceiver::GetOwnElementAttribute(
     Handle<JSReceiver> object, uint32_t index) {
   if (object->IsJSProxy()) {
     return JSProxy::GetElementAttributeWithHandler(