Fixing focus highlight on high DPI devices for accessibility

ui/message_center/views/padded_button.cc

Index: ui/message_center/views/padded_button.cc
diff --git a/ui/message_center/views/padded_button.cc b/ui/message_center/views/padded_button.cc
index 950e133aca2fdfb9977050647e09b03c11716cf1..51e11c5343de886d581d3cfeb21637336f9e8d3e 100644
--- a/ui/message_center/views/padded_button.cc
+++ b/ui/message_center/views/padded_button.cc
@@ -16,6 +16,9 @@ PaddedButton::PaddedButton(views::ButtonListener* listener)
   : views::ImageButton(listener) {
   set_focusable(true);
   set_request_focus_on_press(false);
+  set_focus_border(views::FocusBorder::CreateSolidFocusBorder(
+      kFocusBorderColor,
+      gfx::Insets(1, 2, 2, 2)));
 }
 
 PaddedButton::~PaddedButton() {
@@ -73,13 +76,6 @@ void PaddedButton::OnFocus() {
   ScrollRectToVisible(GetLocalBounds());
 }
 
-void PaddedButton::OnPaintFocusBorder(gfx::Canvas* canvas) {
-  if (HasFocus()) {
-    canvas->DrawRect(gfx::Rect(2, 1, width() - 4, height() - 3),
-                     message_center::kFocusBorderColor);
-  }
-}
-
 gfx::Point PaddedButton::ComputePaddedImagePaintPosition(
     const gfx::ImageSkia& image) {
   gfx::Vector2d offset;