Extend DisplayChangeDialog timeout to 15 seconds

This change extends the timeout of the DisplayChangeDialog from 10
seconds 15 seconds

Bug: 860097
Change-Id: I68dfdde3778ffd42dcb1e92d64df6c392b89541b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2245678
Commit-Queue: Bailey Berro <baileyberro@chromium.org>
Auto-Submit: Bailey Berro <baileyberro@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#779077}

ash/display/display_change_dialog.h

@@ -44,7 +44,7 @@ class ASH_EXPORT DisplayChangeDialog : public views::DialogDelegateView {
   friend class ResolutionNotificationControllerTest;
   FRIEND_TEST_ALL_PREFIXES(ResolutionNotificationControllerTest, Timeout);
 
-  static constexpr uint16_t kDefaultTimeoutInSeconds = 10;
+  static constexpr uint16_t kDefaultTimeoutInSeconds = 15;
 
   void OnConfirmButtonClicked();
 

ash/display/resolution_notification_controller_unittest.cc

@@ -42,7 +42,7 @@ class ResolutionNotificationControllerTest
         base::UTF8ToUTF16(display_manager()->GetDisplayNameForId(display_id));
     const base::string16 countdown = ui::TimeFormat::Simple(
         ui::TimeFormat::FORMAT_DURATION, ui::TimeFormat::LENGTH_LONG,
-        base::TimeDelta::FromSeconds(10));
+        base::TimeDelta::FromSeconds(15));
     if (::display::features::IsListAllDisplayModesEnabled()) {
       return l10n_util::GetStringFUTF16(
           IDS_ASH_RESOLUTION_REFRESH_CHANGE_DIALOG_CHANGED, display_name,
@@ -64,7 +64,7 @@ class ResolutionNotificationControllerTest
         base::UTF8ToUTF16(display_manager()->GetDisplayNameForId(display_id));
     const base::string16 countdown = ui::TimeFormat::Simple(
         ui::TimeFormat::FORMAT_DURATION, ui::TimeFormat::LENGTH_LONG,
-        base::TimeDelta::FromSeconds(10));
+        base::TimeDelta::FromSeconds(15));
     if (::display::features::IsListAllDisplayModesEnabled()) {
       return l10n_util::GetStringFUTF16(
           IDS_ASH_RESOLUTION_REFRESH_CHANGE_DIALOG_FALLBACK,