Remove the NOTREACHED from a switch in chrome_render_view_host_observer.cc;

chrome/browser/renderer_host/chrome_render_view_host_observer.cc

 // Copyright (c) 2012 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/renderer_host/chrome_render_view_host_observer.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/net/predictor.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 120 matching lines @@
     case Extension::TYPE_USER_SCRIPT:
     case Extension::TYPE_HOSTED_APP:
     case Extension::TYPE_PACKAGED_APP:
     case Extension::TYPE_PLATFORM_APP:
       Send(new ExtensionMsg_ActivateExtension(extension->id()));
       break;
 
     case Extension::TYPE_UNKNOWN:
     case Extension::TYPE_THEME:
       break;
-
-    default:
-      NOTREACHED();
   }
 }
 
 const Extension* ChromeRenderViewHostObserver::GetExtension() {
   // Note that due to ChromeContentBrowserClient::GetEffectiveURL(), hosted apps
   // (excluding bookmark apps) will have a chrome-extension:// URL for their
   // site, so we can ignore that wrinkle here.
   SiteInstance* site_instance = render_view_host()->GetSiteInstance();
   const GURL& site = site_instance->GetSite();
 
@@ skipping 23 matching lines @@
   if (process_manager)
     process_manager->UnregisterRenderViewHost(rvh);
 }
 
 void ChromeRenderViewHostObserver::OnFocusedEditableNodeTouched() {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_FOCUSED_EDITABLE_NODE_TOUCHED,
       content::Source<RenderViewHost>(render_view_host()),
       content::NotificationService::NoDetails());
 }