views: implement dialog width snapping

chrome/browser/ui/views/chrome_views_delegate.cc

Index: chrome/browser/ui/views/chrome_views_delegate.cc
diff --git a/chrome/browser/ui/views/chrome_views_delegate.cc b/chrome/browser/ui/views/chrome_views_delegate.cc
index cba7d894e4a81b55a41dbb03be52cf1b9b9a0fe2..170f89db572e61f61295bb8e2130a9781789ad4e 100644
--- a/chrome/browser/ui/views/chrome_views_delegate.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate.cc
@@ -269,6 +269,10 @@ const views::TypographyProvider& ChromeViewsDelegate::GetTypographyProvider()
   return LayoutDelegate::Get()->GetTypographyProvider();
 }
 
+int ChromeViewsDelegate::GetSnappedDialogWidth(int min_width) const {
+  return LayoutDelegate::Get()->GetSnappedDialogWidth(min_width);
+}
+
 int ChromeViewsDelegate::GetDefaultDistanceMetric(
     views::DistanceMetric metric) {
   return views_delegate