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 9279d06dd464f01aaae7aeb632721dadda61bf12..9985a990e1c9bd25f7032a5383db778f6c962bdc 100644
--- a/chrome/browser/ui/website_settings/chooser_bubble_delegate.cc
+++ b/chrome/browser/ui/website_settings/chooser_bubble_delegate.cc
@@ -4,10 +4,20 @@
 
 #include "chrome/browser/ui/website_settings/chooser_bubble_delegate.h"
 
-ChooserBubbleDelegate::ChooserBubbleDelegate() {}
+#include "chrome/browser/ui/website_settings/chooser_options.h"
+#include "components/bubble/bubble_ui.h"
+
+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);
+}