Limit constrained windows to the size of the parent view.

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 2bd579d79d958067b35b74627a189f297f84aab7..93d4659dbeff4c816c6be7c6c68e1807f6c49f87 100644
--- a/ui/views/bubble/bubble_frame_view.cc
+++ b/ui/views/bubble/bubble_frame_view.cc
@@ -168,8 +168,16 @@ gfx::Insets BubbleFrameView::GetInsets() const {
 }
 
 gfx::Size BubbleFrameView::GetPreferredSize() {
-  const gfx::Size client(GetWidget()->client_view()->GetPreferredSize());
-  gfx::Size size(GetUpdatedWindowBounds(gfx::Rect(), client, false).size());
+  return GetNeededSize(GetWidget()->client_view()->GetPreferredSize());
+}
+
+gfx::Size BubbleFrameView::GetMinimumSize() {
+  return GetNeededSize(GetWidget()->client_view()->GetMinimumSize());
+}
+
+gfx::Size BubbleFrameView::GetNeededSize(const gfx::Size& client_size) {
+  gfx::Size size(
+      GetUpdatedWindowBounds(gfx::Rect(), client_size, false).size());
   // Accommodate the width of the title bar elements.
   int title_bar_width = GetInsets().width() + border()->GetInsets().width();
   if (!title_->text().empty())