Switch ScriptBadgeController and PageActionController to use WebContents.

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 4e706add01f95e8234c1ade429b9ef996cc46e3a..9f062e9672722e9a48cd1964fa0e4cbe4996f09a 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -1445,8 +1445,8 @@ void LocationBarView::Observe(int type,
 
     case chrome::NOTIFICATION_EXTENSION_LOCATION_BAR_UPDATED: {
       // Only update if the updated action box was for the active tab contents.
-      TabContents* target_tab = content::Details<TabContents>(details).ptr();
-      if (target_tab == GetTabContents())
+      WebContents* target_tab = content::Details<WebContents>(details).ptr();
+      if (target_tab == GetTabContents()->web_contents())
         UpdatePageActions();
       break;
     }