Fix AccessibilityExtensionLoader's handling of locked screen

extensions/browser/guest_view/web_view/web_view_guest_delegate.h

Index: extensions/browser/guest_view/web_view/web_view_guest_delegate.h
diff --git a/extensions/browser/guest_view/web_view/web_view_guest_delegate.h b/extensions/browser/guest_view/web_view/web_view_guest_delegate.h
index 373ff34ff6ea2a04d15acdfe3f30d75b49f5beee..8abb15f260436c712bbafe5421c11ab3fc410040 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest_delegate.h
+++ b/extensions/browser/guest_view/web_view/web_view_guest_delegate.h
@@ -18,9 +18,6 @@ class WebViewGuestDelegate {
   // Called when context menu operation was handled.
   virtual bool HandleContextMenu(const content::ContextMenuParams& params) = 0;
 
-  // Called just after additional initialization is performed.
-  virtual void OnDidInitialize() = 0;
-
   // Shows the context menu for the guest.
   virtual void OnShowContextMenu(int request_id) = 0;