Fix extension installed bubble sizing for cases where there's no body

chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc

Index: chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc
diff --git a/chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc b/chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc
index f27f4e6dc46ba12ce20a5770f5b98ca2062338f1..217db73ae8125f2eaad8b696d63117c4ccd5412f 100644
--- a/chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc
+++ b/chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc
@@ -230,6 +230,7 @@ void ExtensionInstalledBubbleView::Init() {
   std::unique_ptr<views::BoxLayout> layout(
       new views::BoxLayout(views::BoxLayout::kVertical, 0, 0,
                            views::kRelatedControlVerticalSpacing));
+  layout->set_minimum_cross_axis_size(kRightColumnWidth);
   // Indent by the size of the icon.
   layout->set_inside_border_insets(gfx::Insets(
       0, GetIconSize().width() + views::kUnrelatedControlHorizontalSpacing, 0,