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

chrome/app/chromeos_strings.grdp

Index: chrome/app/chromeos_strings.grdp
diff --git a/chrome/app/chromeos_strings.grdp b/chrome/app/chromeos_strings.grdp
index 90598dc1e5e17fb70fcd83696a6610143e6bff5a..803b082575fa67ae70466797d1f892899a0d04a2 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -2378,13 +2378,13 @@ Press any key to continue exploring.
     very long
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_CARET_HIGHLIGHT_DESCRIPTION" desc="In the settings tab, the text next to the checkbox to highlight the caret (the text insertion point) to make it easier to see.">
-    Highlight the caret (when editing text)
+    Highlight the text caret when it appears or moves.
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_CURSOR_HIGHLIGHT_DESCRIPTION" desc="In the settings tab, the text next to the checkbox to highlight the mouse cursor when it's moving to make it easier to see.">
-    Highlight the mouse cursor when it's moving
+    Highlight the mouse cursor when it's moving.
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_FOCUS_HIGHLIGHT_DESCRIPTION" desc="In the settings tab, the text next to the checkbox to highlight the focused object to make it easier to see.">
-    Highlight the object with keyboard focus
+    Highlight the object with keyboard focus when it changes.
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SELECT_TO_SPEAK_DESCRIPTION" desc="In the settings tab, the text next to the checkbox to enable an option to hold a key and click to speak any on-screen text out loud.">
     Select-to-speak: Hold down Search and click or drag to speak anything