Make the focus, caret, and cursor highlights fade out.

chrome/browser/chromeos/ui/focus_ring_layer.cc

Index: chrome/browser/chromeos/ui/focus_ring_layer.cc
diff --git a/chrome/browser/chromeos/ui/focus_ring_layer.cc b/chrome/browser/chromeos/ui/focus_ring_layer.cc
index eb448e7e8c4025a872383fe21e797c0d27a65786..81b4c67513be5d46e2292760b649e2f20ce31bd2 100644
--- a/chrome/browser/chromeos/ui/focus_ring_layer.cc
+++ b/chrome/browser/chromeos/ui/focus_ring_layer.cc
@@ -49,6 +49,10 @@ bool FocusRingLayer::CanAnimate() const {
   return compositor_ && compositor_->HasAnimationObserver(this);
 }
 
+void FocusRingLayer::SetOpacity(float opacity) {
+  layer()->SetOpacity(opacity);
+}
+
 void FocusRingLayer::CreateOrUpdateLayer(aura::Window* root_window,
                                          const char* layer_name,
                                          const gfx::Rect& bounds) {