views: support dialog width snapping once and for all

ui/views/bubble/bubble_frame_view.cc

Index: ui/views/bubble/bubble_frame_view.cc
diff --git a/ui/views/bubble/bubble_frame_view.cc b/ui/views/bubble/bubble_frame_view.cc
index 1a3ae270416cac0148ae01932b13e8265a0d116b..84cec48e62428621c706616af57dd00f9f2a1feb 100644
--- a/ui/views/bubble/bubble_frame_view.cc
+++ b/ui/views/bubble/bubble_frame_view.cc
@@ -36,6 +36,7 @@
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/views/window/client_view.h"
+#include "ui/views/window/dialog_delegate.h"
 
 namespace views {
 
@@ -532,6 +533,13 @@ gfx::Size BubbleFrameView::GetSizeForClientSize(
   if (footnote_container_)
     size.Enlarge(0, footnote_container_->GetHeightForWidth(size.width()));
 
+  DialogDelegate* dialog_delegate =
+      GetWidget()->widget_delegate()->AsDialogDelegate();
+
+  if (dialog_delegate && dialog_delegate->ShouldSnapFrameWidth()) {

[Peter Kasting, 2017/04/19 19:26:13]

Nit: No {}

[Elly Fong-Jones, 2017/04/20 19:53:59]

Done.

+    size.set_width(LayoutProvider::Get()->GetSnappedDialogWidth(size.width()));
+  }
+
   return size;
 }