views: add Harmony dialog width support

chrome/browser/ui/views/collected_cookies_views.cc

Index: chrome/browser/ui/views/collected_cookies_views.cc
diff --git a/chrome/browser/ui/views/collected_cookies_views.cc b/chrome/browser/ui/views/collected_cookies_views.cc
index 099441ab027192f12aad3409fa455464d5777c72..4c61410eeb060cd24adffc58d15faffb9a18b09c 100644
--- a/chrome/browser/ui/views/collected_cookies_views.cc
+++ b/chrome/browser/ui/views/collected_cookies_views.cc
@@ -227,6 +227,11 @@ ui::ModalType CollectedCookiesViews::GetModalType() const {
   return ui::MODAL_TYPE_CHILD;
 }
 
+views::DialogDelegate::DialogWidth
+CollectedCookiesViews::GetDefaultDialogWidth() const {
+  return DIALOG_WIDTH_MEDIUM;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // CollectedCookiesViews, views::ButtonListener implementation: