Chrome OS highlighting: show only focus or caret, never both.

chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h

Index: chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h
diff --git a/chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h b/chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h
index 38046126b7c595d678e4c35ae45ce8201318492b..e45cc231224118d9d0cb8eaa3650ad1c7621b862 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h
+++ b/chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h
@@ -48,6 +48,8 @@ class AccessibilityHighlightManager : public ui::EventHandler,
   void OnTextInputStateChanged(const ui::TextInputClient* client) override;
   void OnCaretBoundsChanged(const ui::TextInputClient* client) override;
 
+  void UpdateFocusAndCaretHighlights();
+
   bool focus_ = false;
   gfx::Rect focus_rect_;
 
@@ -55,6 +57,7 @@ class AccessibilityHighlightManager : public ui::EventHandler,
   gfx::Point cursor_point_;
 
   bool caret_ = false;
+  bool caret_visible_ = false;
   gfx::Point caret_point_;
 
   content::NotificationRegistrar registrar_;