Consistently say 'own' property

src/mirror-debugger.js

Index: src/mirror-debugger.js
diff --git a/src/mirror-debugger.js b/src/mirror-debugger.js
index 124347b7bd5b72cd7a977750b91a2d608aa951e2..75dd260a765ba1cb29eeb00c0b71f87c12eb4da6 100644
--- a/src/mirror-debugger.js
+++ b/src/mirror-debugger.js
@@ -640,9 +640,9 @@ ObjectMirror.prototype.propertyNames = function(kind, limit) {
 
   // Find all the named properties.
   if (kind & PropertyKind.Named) {
-    // Get all the local property names except for private symbols.
+    // Get all own property names except for private symbols.
     propertyNames =
-        %GetLocalPropertyNames(this.value_, PROPERTY_ATTRIBUTES_PRIVATE_SYMBOL);
+        %GetOwnPropertyNames(this.value_, PROPERTY_ATTRIBUTES_PRIVATE_SYMBOL);
     total += propertyNames.length;
 
     // Get names for named interceptor properties if any.
@@ -658,8 +658,8 @@ ObjectMirror.prototype.propertyNames = function(kind, limit) {
 
   // Find all the indexed properties.
   if (kind & PropertyKind.Indexed) {
-    // Get the local element names.
-    elementNames = %GetLocalElementNames(this.value_);
+    // Get own element names.
+    elementNames = %GetOwnElementNames(this.value_);
     total += elementNames.length;
 
     // Get names for indexed interceptor properties.