Don't call CloseBubble multiple times in ExtensionInstalledBubbleView

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 85331a2314e33042bda8588e73a22e6ae9e7ca33..8125e675d128e24d888e9d636f9e8bd14f929f5d 100644
--- a/chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc
+++ b/chrome/browser/ui/views/extensions/extension_installed_bubble_view.cc
@@ -260,7 +260,8 @@ void ExtensionInstalledBubbleView::OnSignInLinkClicked() {
   chrome::ShowBrowserSignin(
       browser(),
       signin_metrics::AccessPoint::ACCESS_POINT_EXTENSION_INSTALL_BUBBLE);
-  CloseBubble();
+  // Showing the sign-in UI will cause the bubble to close.
+  CHECK(GetWidget()->IsClosed());
 }
 
 void ExtensionInstalledBubbleView::LinkClicked(views::Link* source,
@@ -272,7 +273,8 @@ void ExtensionInstalledBubbleView::LinkClicked(views::Link* source,
   chrome::NavigateParams params(
       chrome::GetSingletonTabNavigateParams(browser(), GURL(configure_url)));
   chrome::Navigate(&params);
-  CloseBubble();
+  // Navigating will cause the bubble to close.
+  CHECK(GetWidget()->IsClosed());
 }
 
 gfx::Size ExtensionInstalledBubbleView::GetIconSize() const {