Use MacViews for ContentSettingBubbles.

chrome/browser/ui/views/content_setting_bubble_contents.h

Index: chrome/browser/ui/views/content_setting_bubble_contents.h
diff --git a/chrome/browser/ui/views/content_setting_bubble_contents.h b/chrome/browser/ui/views/content_setting_bubble_contents.h
index e2dff9ab0daf41f28be9648ffa8c48b83db22138..06d492119b123ed179b6e229e2a412cc77e51f31 100644
--- a/chrome/browser/ui/views/content_setting_bubble_contents.h
+++ b/chrome/browser/ui/views/content_setting_bubble_contents.h
@@ -21,6 +21,10 @@ class ContentSettingBubbleModel;
 class ContentSettingMediaMenuModel;
 class Profile;
 
+namespace chrome {
+class ContentSettingBubbleViewsBridge;
+}
+
 namespace ui {
 class SimpleMenuModel;
 }
@@ -68,6 +72,8 @@ class ContentSettingBubbleContents : public content::WebContentsObserver,
   class Favicon;
   struct MediaMenuParts;
 
+  friend class chrome::ContentSettingBubbleViewsBridge;
+
   typedef std::map<views::Link*, int> ListItemLinks;
   typedef std::map<views::MenuButton*, MediaMenuParts*> MediaMenuPartsMap;