Renderer initiated navigations from non instant process should not fall into instant.

chrome/browser/ui/search/instant_loader.cc

 // Copyright 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/ui/search/instant_loader.h"
 
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/safe_browsing/safe_browsing_tab_observer.h"
+#include "chrome/browser/search/search.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
 #include "chrome/browser/ui/search/search_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/site_instance.h"
@@ skipping 19 matching lines @@
 
 InstantLoader::~InstantLoader() {
 }
 
 void InstantLoader::Init(const GURL& instant_url,
                          Profile* profile,
                          const content::WebContents* active_tab,
                          const base::Closure& on_stale_callback) {
   content::WebContents::CreateParams create_params(profile);
   create_params.site_instance = content::SiteInstance::CreateForURL(
-      profile, instant_url);
+      profile, chrome::GetPrivilegedURLForInstant(instant_url, profile));
   SetContents(scoped_ptr<content::WebContents>(
       content::WebContents::Create(create_params)));
   instant_url_ = instant_url;
   on_stale_callback_ = on_stale_callback;
 }
 
 void InstantLoader::Load() {
   DVLOG(1) << "LoadURL: " << instant_url_;
   contents_->GetController().LoadURL(
       instant_url_, content::Referrer(),
@@ skipping 167 matching lines @@
 
 bool InstantLoader::OnGoToEntryOffset(int /* offset */) {
   return false;
 }
 
 content::WebContents* InstantLoader::OpenURLFromTab(
     content::WebContents* source,
     const content::OpenURLParams& params) {
   return delegate_->OpenURLFromTab(source, params);
 }