Refactor the content setting view to allow a subclass for the web intents button.

chrome/browser/ui/views/location_bar/location_bar_view.cc

Index: chrome/browser/ui/views/location_bar/location_bar_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.cc b/chrome/browser/ui/views/location_bar/location_bar_view.cc
index 21b2dfdb8a706259dbfb2aca4ebe1c178cfcb74b..cb0647b624d6fad911576627cfc0909dbfb5e111 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -1116,8 +1116,7 @@ void LocationBarView::LayoutView(views::View* view,
 void LocationBarView::RefreshContentSettingViews() {
   for (ContentSettingViews::const_iterator i(content_setting_views_.begin());
        i != content_setting_views_.end(); ++i) {
-    (*i)->UpdateFromWebContents(model_->input_in_progress() ? NULL :
-                                GetWebContentsFromDelegate(delegate_));
+    (*i)->Update(model_->input_in_progress() ? NULL : GetTabContents());
   }
 }