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

chrome/browser/chromeos/accessibility/accessibility_highlight_manager.cc

 // 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.
 
 #include "ash/shell.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_highlight_manager.h"
 #include "chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h"
 #include "content/public/browser/focused_node_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
@@ skipping 36 matching lines @@
 AccessibilityHighlightManager::~AccessibilityHighlightManager() {
   // No need to do anything during shutdown
   if (!ash::Shell::HasInstance())
     return;
 
   ash::Shell* shell = ash::Shell::GetInstance();
   if (shell) {
     shell->RemovePreTargetHandler(this);
 
     AccessibilityFocusRingController::GetInstance()->SetFocusRing(
-        std::vector<gfx::Rect>());
+        std::vector<gfx::Rect>(),
+        AccessibilityFocusRingController::FADE_OUT_FOCUS_RING);
     AccessibilityFocusRingController::GetInstance()->SetCaretRing(
         OffscreenPoint());
     AccessibilityFocusRingController::GetInstance()->SetCursorRing(
         OffscreenPoint());
 
     aura::Window* root_window = shell->GetPrimaryRootWindow();
     ui::InputMethod* input_method = GetInputMethod(root_window);
     input_method->RemoveObserver(this);
   }
 }
@@ skipping 51 matching lines @@
   UpdateFocusAndCaretHighlights();
 }
 
 void AccessibilityHighlightManager::UpdateFocusAndCaretHighlights() {
   auto controller = AccessibilityFocusRingController::GetInstance();
 
   // The caret highlight takes precedence over the focus highlight if
   // both are visible.
   if (caret_ && caret_visible_) {
     controller->SetCaretRing(caret_point_);
-    controller->SetFocusRing(std::vector<gfx::Rect>());
+    controller->SetFocusRing(
+        std::vector<gfx::Rect>(),
+        AccessibilityFocusRingController::FADE_OUT_FOCUS_RING);
   } else if (focus_) {
     controller->SetCaretRing(OffscreenPoint());
     std::vector<gfx::Rect> rects;
     if (!focus_rect_.IsEmpty())
       rects.push_back(focus_rect_);
-    controller->SetFocusRing(rects);
+    controller->SetFocusRing(
+        rects, AccessibilityFocusRingController::FADE_OUT_FOCUS_RING);
   } else {
     controller->SetCaretRing(OffscreenPoint());
-    controller->SetFocusRing(std::vector<gfx::Rect>());
+    controller->SetFocusRing(
+        std::vector<gfx::Rect>(),
+        AccessibilityFocusRingController::FADE_OUT_FOCUS_RING);
   }
 }
 
 }  // namespace chromeos