AXObject is not copyable

third_party/WebKit/Source/modules/accessibility/AXObject.h

Index: third_party/WebKit/Source/modules/accessibility/AXObject.h
diff --git a/third_party/WebKit/Source/modules/accessibility/AXObject.h b/third_party/WebKit/Source/modules/accessibility/AXObject.h
index 0192e0547568f595b40fe96fe146cd1e3faeee78..631cc8fade1ebddf78738a41549f9318c17800f8 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXObject.h
+++ b/third_party/WebKit/Source/modules/accessibility/AXObject.h
@@ -216,6 +216,8 @@ enum AccessibilityState {
 };
 
 class AccessibilityText final : public GarbageCollectedFinalized<AccessibilityText> {
+    WTF_MAKE_NONCOPYABLE(AccessibilityText);
+
 public:
     DEFINE_INLINE_TRACE()
     {
@@ -391,6 +393,8 @@ public:
 };
 
 class NameSourceRelatedObject : public GarbageCollectedFinalized<NameSourceRelatedObject> {
+    WTF_MAKE_NONCOPYABLE(NameSourceRelatedObject);
+
 public:
     WeakMember<AXObject> object;
     String text;
@@ -469,6 +473,7 @@ public:
 };
 
 class MODULES_EXPORT AXObject : public GarbageCollectedFinalized<AXObject> {
+    WTF_MAKE_NONCOPYABLE(AXObject);
 public:
     typedef HeapVector<Member<AXObject>> AXObjectVector;