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

chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h

 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_HIGHLIGHT_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_HIGHLIGHT_MANAGER_H_
 
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ skipping 30 matching lines @@
 
   // ui::InputMethodObserver overrides:
   void OnTextInputTypeChanged(const ui::TextInputClient* client) override {}
   void OnFocus() override {}
   void OnBlur() override {}
   void OnInputMethodDestroyed(const ui::InputMethod* input_method) override {}
   void OnShowImeIfNeeded() override {}
   void OnTextInputStateChanged(const ui::TextInputClient* client) override;
   void OnCaretBoundsChanged(const ui::TextInputClient* client) override;
 
+  void UpdateFocusAndCaretHighlights();
+
   bool focus_ = false;
   gfx::Rect focus_rect_;
 
   bool cursor_ = false;
   gfx::Point cursor_point_;
 
   bool caret_ = false;
+  bool caret_visible_ = false;
   gfx::Point caret_point_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityHighlightManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_HIGHLIGHT_MANAGER_H_