Make cursor highlighting feature work across multiple displays

chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h

Index: chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
diff --git a/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h b/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
index a2049a63df60c08274b3b5a278be43082a47129a..0d63f8caba6ff18b695f8e5a2b4e5a267229ed0a 100644
--- a/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
+++ b/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
@@ -7,6 +7,7 @@
 
 #include <vector>
 
+#include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/singleton.h"
@@ -59,6 +60,9 @@ class AccessibilityFocusRingController : public FocusRingLayerDelegate {
   virtual int GetMargin() const;
 
  private:
+  FRIEND_TEST_ALL_PREFIXES(AccessibilityFocusRingControllerTest,
+                           CursorWorksOnMultipleDisplays);
+
   // FocusRingLayerDelegate overrides.
   void OnDeviceScaleFactorChanged() override;
   void OnAnimationStep(base::TimeTicks timestamp) override;