Bug 1733457 - Remove unused LocalAccessible::MaybeFireFocusableStateChange. r=morgan

Differential Revision: https://phabricator.services.mozilla.com/D127156

accessible/generic/LocalAccessible.cpp

@@ -3056,15 +3056,6 @@ already_AddRefed<AccAttributes> LocalAccessible::BundleFieldsForCache(
   return fields.forget();
 }
 
-void LocalAccessible::MaybeFireFocusableStateChange(bool aPreviouslyFocusable) {
-  bool isFocusable = (State() & states::FOCUSABLE);
-  if (isFocusable != aPreviouslyFocusable) {
-    RefPtr<AccEvent> focusableChangeEvent =
-        new AccStateChangeEvent(this, states::FOCUSABLE, isFocusable);
-    mDoc->FireDelayedEvent(focusableChangeEvent);
-  }
-}
-
 void LocalAccessible::GetPositionAndSizeInternal(int32_t* aPosInSet,
                                                  int32_t* aSetSize) {
   AccGroupInfo* groupInfo = GetGroupInfo();

accessible/generic/LocalAccessible.h

@@ -877,12 +877,6 @@ class LocalAccessible : public nsISupports, public Accessible {
 
   void Announce(const nsAString& aAnnouncement, uint16_t aPriority);
 
-  /**
-   * Fire a focusable state change event if the previous state
-   * was different.
-   */
-  void MaybeFireFocusableStateChange(bool aPreviouslyFocusable);
-
   virtual bool IsRemote() const override { return false; }
 
   already_AddRefed<AccAttributes> BundleFieldsForCache(