views: Use ui::MessageBoxFlags::kIsJavascriptAlert where it's appropriate.

chrome/browser/ui/views/update_recommended_message_box.cc

Index: chrome/browser/ui/views/update_recommended_message_box.cc
diff --git a/chrome/browser/ui/views/update_recommended_message_box.cc b/chrome/browser/ui/views/update_recommended_message_box.cc
index af0d559898ce8aced91c6ff9c82112f90dd6344c..92eb0908f72813149067ac930b32db4c22d66ca9 100644
--- a/chrome/browser/ui/views/update_recommended_message_box.cc
+++ b/chrome/browser/ui/views/update_recommended_message_box.cc
@@ -97,8 +97,7 @@ UpdateRecommendedMessageBox::UpdateRecommendedMessageBox(
   const string16 product_name = l10n_util::GetStringUTF16(kProductNameId);
   // Also deleted when the window closes.
   message_box_view_ = new views::MessageBoxView(
-      ui::MessageBoxFlags::kFlagHasMessage |
-          ui::MessageBoxFlags::kFlagHasOKButton,
+      ui::MessageBoxFlags::kIsJavascriptAlert,
       l10n_util::GetStringFUTF16(IDS_UPDATE_RECOMMENDED, product_name),
       string16(),
       kDialogWidth);