Beginnings of the script bubble.

chrome/browser/extensions/tab_helper.h

Index: chrome/browser/extensions/tab_helper.h
diff --git a/chrome/browser/extensions/tab_helper.h b/chrome/browser/extensions/tab_helper.h
index ed5563f0d808632a718340693052742085825b0b..30b8dcc6ef57f9f72f07245bb97bc27813ed2bd1 100644
--- a/chrome/browser/extensions/tab_helper.h
+++ b/chrome/browser/extensions/tab_helper.h
@@ -31,6 +31,7 @@ namespace extensions {
 class Extension;
 class LocationBarController;
 class ScriptBadgeController;
+class ScriptBubbleController;
 
 // Per-tab extension helper. Also handles non-extension apps.
 class TabHelper : public content::WebContentsObserver,
@@ -70,7 +71,6 @@ class TabHelper : public content::WebContentsObserver,
    protected:
     virtual ~ContentScriptObserver();
 
-   private:
     TabHelper* tab_helper_;
   };
 
@@ -139,6 +139,10 @@ class TabHelper : public content::WebContentsObserver,
     return active_tab_permission_granter_.get();
   }
 
+  ScriptBubbleController* script_bubble_controller() {
+    return script_bubble_controller_.get();
+  }
+
   // Sets a non-extension app icon associated with WebContents and fires an
   // INVALIDATE_TYPE_TITLE navigation state change to trigger repaint of title.
   void SetAppIcon(const SkBitmap& app_icon);
@@ -254,6 +258,8 @@ class TabHelper : public content::WebContentsObserver,
 
   scoped_ptr<ActiveTabPermissionGranter> active_tab_permission_granter_;
 
+  scoped_ptr<ScriptBubbleController> script_bubble_controller_;
+
   DISALLOW_COPY_AND_ASSIGN(TabHelper);
 };