Use MacViews for ContentSettingBubbles.

chrome/browser/ui/browser_dialogs.h

Index: chrome/browser/ui/browser_dialogs.h
diff --git a/chrome/browser/ui/browser_dialogs.h b/chrome/browser/ui/browser_dialogs.h
index 8288ff7805d9c640491b571ea5f7ad331800d70c..85c3982dd47489594769bbcf8aa4ac99720afc6d 100644
--- a/chrome/browser/ui/browser_dialogs.h
+++ b/chrome/browser/ui/browser_dialogs.h
@@ -13,6 +13,7 @@
 #include "ui/gfx/native_widget_types.h"
 
 class Browser;
+class ContentSettingBubbleModel;
 class GURL;
 class LoginHandler;
 class Profile;
@@ -116,6 +117,18 @@ void ShowBookmarkEditorViews(gfx::NativeWindow parent_window,
                              const BookmarkEditor::EditDetails& details,
                              BookmarkEditor::Configuration configuration);
 
+// This is a class so that it can be friended from ContentSettingBubbleContents,
+// which allows it to call SetAnchorRect().
+class ContentSettingBubbleViewsBridge {

[tapted, 2016/01/11 23:21:38]

I think this should be up in the #if defined(OS_MACOSX) section, just to make it
clear that only Mac will call it

[Elly Fong-Jones, 2016/01/12 14:09:59]

I think it also needs to be inside the TOOLKIT_VIEWS ifdef, so I added a new
OS_MACOSX section inside that.

+ public:
+  static void Show(gfx::NativeView parent_view,
+                   ContentSettingBubbleModel* model,
+                   content::WebContents* web_contents,
+                   const gfx::Point& anchor);
+ private:
+  ContentSettingBubbleViewsBridge();

[tapted, 2016/01/11 23:21:38]

DISALLOW_IMPLICIT_CONSTRUCTORS(..)

[Elly Fong-Jones, 2016/01/12 14:09:59]

Done.

+};
+
 #endif  // TOOLKIT_VIEWS
 
 }  // namespace chrome