(Try 2) InstantExtended: remove dead code related to the non-cacheable NTP.

chrome/browser/task_manager/panel_resource_provider.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/task_manager/panel_resource_provider.h"
 
 #include "base/i18n/rtl.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 44 matching lines @@
 PanelResource::PanelResource(Panel* panel)
     : RendererResource(
         panel->GetWebContents()->GetRenderProcessHost()->GetHandle(),
         panel->GetWebContents()->GetRenderViewHost()),
       panel_(panel) {
   message_prefix_id_ = util::GetMessagePrefixID(
       GetExtension()->is_app(),
       true,  // is_extension
       panel->profile()->IsOffTheRecord(),
       false,  // is_prerender
-      false,  // is_instant_overlay
       false);  // is_background
 }
 
 PanelResource::~PanelResource() {
 }
 
 Resource::Type PanelResource::GetType() const {
   return EXTENSION;
 }
 
@@ skipping 158 matching lines @@
       }
       break;
     }
     default:
       NOTREACHED() << "Unexpected notificiation.";
       break;
   }
 }
 
 }  // namespace task_manager