DevTools: Show internal properties in object preview in console.

LayoutTests/inspector/console/console-format-es6-expected.txt

Index: LayoutTests/inspector/console/console-format-es6-expected.txt
diff --git a/LayoutTests/inspector/console/console-format-es6-expected.txt b/LayoutTests/inspector/console/console-format-es6-expected.txt
index 2d6d185ed5b5282d24b5698a43db160ea66c0f1f..7e3f7727d2a071b9511f872b0d5fed34b6cc97e3 100644
--- a/LayoutTests/inspector/console/console-format-es6-expected.txt
+++ b/LayoutTests/inspector/console/console-format-es6-expected.txt
@@ -1,3 +1,5 @@
+CONSOLE MESSAGE: line 11: [object Object]
+CONSOLE MESSAGE: line 12: [object Object]
 CONSOLE MESSAGE: line 11: 
 CONSOLE MESSAGE: line 12: Symbol()
 CONSOLE MESSAGE: line 11: 
@@ -6,16 +8,20 @@ CONSOLE MESSAGE: line 11: [object Object]
 CONSOLE MESSAGE: line 12: [object Object]
 Tests that console properly displays information about ES6 features.
 
+Promise {[[PromiseStatus]]: "rejected", [[PromiseValue]]: -0} console-format-es6.html:11
+[Promise]0: Promiselength: 1__proto__: Array[0] console-format-es6.html:12
+globals[0]
+Promise {[[PromiseStatus]]: "rejected", [[PromiseValue]]: -0}
 Symbol() console-format-es6.html:11
 [Symbol()]0: Symbol()length: 1__proto__: Array[0] console-format-es6.html:12
-globals[0]
+globals[1]
 Symbol()
 Symbol(a) console-format-es6.html:11
 [Symbol(a)]0: Symbol(a)length: 1__proto__: Array[0] console-format-es6.html:12
-globals[1]
+globals[2]
 Symbol(a)
 Object {a: Symbol(), Symbol(): 1, Symbol(a): 2}Symbol(): 1Symbol(a): 2a: Symbol()__proto__: Object console-format-es6.html:11
 [Object]0: Objectlength: 1__proto__: Array[0] console-format-es6.html:12
-globals[2]
+globals[3]
 Object {a: Symbol(), Symbol(): 1, Symbol(a): 2}Symbol(): 1Symbol(a): 2a: Symbol()__proto__: Object