ATK accessibility support for web content on Aura Linux.

content/browser/accessibility/accessibility_tree_formatter.cc

Index: content/browser/accessibility/accessibility_tree_formatter.cc
diff --git a/content/browser/accessibility/accessibility_tree_formatter.cc b/content/browser/accessibility/accessibility_tree_formatter.cc
index eeb2f0afecab9a733602ce14ffe7a5b4595a68ba..9d786338f3f81a77e17a8a161dcc974023ca6a9e 100644
--- a/content/browser/accessibility/accessibility_tree_formatter.cc
+++ b/content/browser/accessibility/accessibility_tree_formatter.cc
@@ -98,7 +98,10 @@ void AccessibilityTreeFormatter::RecursiveFormatAccessibilityTree(
   }
 }
 
-#if (!defined(OS_WIN) && !defined(OS_MACOSX) && !defined(OS_ANDROID))
+#if !defined(OS_WIN) && \
+    !defined(OS_MACOSX) && \
+    !defined(OS_ANDROID) && \
+    !(defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(USE_X11))
 void AccessibilityTreeFormatter::AddProperties(const BrowserAccessibility& node,
                                                base::DictionaryValue* dict) {
   dict->SetInteger("id", node.GetId());