Fixing focus highlight on high DPI devices for accessibility

ui/message_center/views/message_view.cc

 // Copyright (c) 2012 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 "ui/message_center/views/message_view.h"
 
 #include "grit/ui_resources.h"
 #include "grit/ui_strings.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 153 matching lines @@
   PaddedButton *close = new PaddedButton(this);
   close->SetPadding(-kCloseIconRightPadding, kCloseIconTopPadding);
   close->SetNormalImage(IDR_NOTIFICATION_CLOSE);
   close->SetHoveredImage(IDR_NOTIFICATION_CLOSE_HOVER);
   close->SetPressedImage(IDR_NOTIFICATION_CLOSE_PRESSED);
   close->set_owned_by_client();
   close->set_animate_on_state_change(false);
   close->SetAccessibleName(l10n_util::GetStringUTF16(
       IDS_MESSAGE_CENTER_CLOSE_NOTIFICATION_BUTTON_ACCESSIBLE_NAME));
   close_button_.reset(close);
+
+  set_focus_border(views::FocusBorder::CreateSolidFocusBorder(
+      kFocusBorderColor,
+      gfx::Insets(0, 1, 3, 2)));
 }
 
 MessageView::~MessageView() {
 }
 
 // static
 gfx::Insets MessageView::GetShadowInsets() {
   return gfx::Insets(kShadowBlur / 2 - kShadowOffset,
                      kShadowBlur / 2,
                      kShadowBlur / 2 + kShadowOffset,
@@ skipping 68 matching lines @@
   // slide-out behavior. See http://crbug.com/172991
 
   if (!event->IsScrollGestureEvent() && !event->IsFlingScrollEvent())
     return;
 
   if (scroller_)
     scroller_->OnGestureEvent(event);
   event->SetHandled();
 }
 
-void MessageView::OnPaintFocusBorder(gfx::Canvas* canvas) {
-  if (HasFocus()) {
-    canvas->DrawRect(gfx::Rect(1, 0, width() - 2, height() - 2),
-                     message_center::kFocusBorderColor);
-  }
-}
-
 void MessageView::ButtonPressed(views::Button* sender,
                                 const ui::Event& event) {
   if (sender == close_button()) {
     RemoveNotification(true);  // By user.
   }
 }
 
 void MessageView::OnSlideOut() {
   RemoveNotification(true);  // By user.
 }
 
 }  // namespace message_center