Make cursor highlighting feature work across multiple displays

chrome/browser/chromeos/ui/accessibility_cursor_ring_layer.cc

Index: chrome/browser/chromeos/ui/accessibility_cursor_ring_layer.cc
diff --git a/chrome/browser/chromeos/ui/accessibility_cursor_ring_layer.cc b/chrome/browser/chromeos/ui/accessibility_cursor_ring_layer.cc
index 852db7ca36b8b5fce4cfc4725117568509c2f1c6..6bdaa92ffd14a1a9a6bcd221d885a86225a97618 100644
--- a/chrome/browser/chromeos/ui/accessibility_cursor_ring_layer.cc
+++ b/chrome/browser/chromeos/ui/accessibility_cursor_ring_layer.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/chromeos/ui/accessibility_cursor_ring_layer.h"
 
+#include "ash/aura/wm_window_aura.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/shell.h"
 #include "base/bind.h"
@@ -50,6 +51,8 @@ void AccessibilityCursorRingLayer::Set(const gfx::Point& location) {
   aura::Window* root_window = ash::Shell::GetInstance()
                                   ->window_tree_host_manager()
                                   ->GetRootWindowForDisplayId(display.id());
+  ash::WmWindow* root_wm_window = ash::WmWindowAura::Get(root_window);
+  bounds = root_wm_window->ConvertRectFromScreen(bounds);
   CreateOrUpdateLayer(root_window, "AccessibilityCursorRing", bounds);
 }