InstantExtended: Remove overlay control code.

chrome/browser/tab_contents/render_view_context_menu.cc

Index: chrome/browser/tab_contents/render_view_context_menu.cc
diff --git a/chrome/browser/tab_contents/render_view_context_menu.cc b/chrome/browser/tab_contents/render_view_context_menu.cc
index b5b80b7e4b6c3ee979547181c30752d1dbe06338..eb4b72823b33185e334848e9f5e46e2d2020c03e 100644
--- a/chrome/browser/tab_contents/render_view_context_menu.cc
+++ b/chrome/browser/tab_contents/render_view_context_menu.cc
@@ -40,7 +40,6 @@
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_io_data.h"
-#include "chrome/browser/search/instant_extended_context_menu_observer.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
@@ -645,13 +644,8 @@ void RenderViewContextMenu::InitMenu() {
       print_preview_menu_observer_.reset(
           new PrintPreviewContextMenuObserver(source_web_contents_));
     }
-    if (!instant_extended_observer_.get()) {
-      instant_extended_observer_.reset(
-          new InstantExtendedContextMenuObserver(source_web_contents_));
-    }
 
     observers_.AddObserver(print_preview_menu_observer_.get());
-    observers_.AddObserver(instant_extended_observer_.get());
   }
 }