Skip 'accessibilityController' property in the cached properties test

LayoutTests/fast/dom/Window/resources/window-property-collector.js

Index: LayoutTests/fast/dom/Window/resources/window-property-collector.js
diff --git a/LayoutTests/fast/dom/Window/resources/window-property-collector.js b/LayoutTests/fast/dom/Window/resources/window-property-collector.js
index 3b07a4e1220fa525e4b25ad4b6380695aa31c0c0..35dda709a9c9b455d8683d1a5c6d334c7afbae82 100644
--- a/LayoutTests/fast/dom/Window/resources/window-property-collector.js
+++ b/LayoutTests/fast/dom/Window/resources/window-property-collector.js
@@ -62,7 +62,11 @@ function collectPropertiesHelper(object, path)
 {
     if (path.length > 20)
         throw 'Error: probably looping';
+
     for (var property in object) {
+        // Skip the properties which are hard to expect a stable result.

[haraken, 2014/03/05 05:49:26]

Let's mention why this is unstable.

[hajimehoshi, 2014/03/05 05:53:56]

Done.

+        if (property == 'accessibilityController')
+            continue;
         if (!object[property])
             continue;
         path.push(property);
@@ -85,4 +89,3 @@ function collectPropertiesHelper(object, path)
         path.pop();
     }
 }
-