Add chooser permission UI code for Mac

chrome/browser/ui/website_settings/chooser_bubble_delegate.cc

Index: chrome/browser/ui/website_settings/chooser_bubble_delegate.cc
diff --git a/chrome/browser/ui/website_settings/chooser_bubble_delegate.cc b/chrome/browser/ui/website_settings/chooser_bubble_delegate.cc
index a28e5c5d90bc3895923a94cc473a4e6a63316a29..9985a990e1c9bd25f7032a5383db778f6c962bdc 100644
--- a/chrome/browser/ui/website_settings/chooser_bubble_delegate.cc
+++ b/chrome/browser/ui/website_settings/chooser_bubble_delegate.cc
@@ -5,11 +5,19 @@
 #include "chrome/browser/ui/website_settings/chooser_bubble_delegate.h"
 
 #include "chrome/browser/ui/website_settings/chooser_options.h"
+#include "components/bubble/bubble_ui.h"
 
-ChooserBubbleDelegate::ChooserBubbleDelegate() {}
+ChooserBubbleDelegate::ChooserBubbleDelegate(Browser* browser)
+    : browser_(browser) {
+  DCHECK(browser_);
+}
 
 ChooserBubbleDelegate::~ChooserBubbleDelegate() {}
 
 std::string ChooserBubbleDelegate::GetName() const {
   return "ChooserBubble";
 }
+
+scoped_ptr<BubbleUi> ChooserBubbleDelegate::BuildBubbleUi() {
+  return CreateBubbleUi(browser_, chooser_options_.get(), this);
+}