[uber page] Migrate all elements in the 'System' (cros) page to new locations.

chrome/browser/resources/options2/chromeos/pointer_overlay.js

Index: chrome/browser/resources/options2/chromeos/pointer_overlay.js
===================================================================
--- chrome/browser/resources/options2/chromeos/pointer_overlay.js	(revision 117867)
+++ chrome/browser/resources/options2/chromeos/pointer_overlay.js	(working copy)
@@ -31,6 +31,20 @@
     },
   };
 
+  /**
+   * Sets the visibility state of the touchpad group.
+   */
+  PointerOverlay.showTouchpadControls = function(show) {
+    $('pointer-section-touchpad').hidden = !show;
+  };
+
+  /**
+   * Sets the visibility state of the mouse group.
+   */
+  PointerOverlay.showMouseControls = function(show) {
+    $('pointer-section-mouse').hidden = !show;
+  };
+
   // Export
   return {
     PointerOverlay: PointerOverlay