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

content/public/browser/content_browser_client.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 "content/public/browser/content_browser_client.h"
 
 #include "base/files/file_path.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace content {
 
 BrowserMainParts* ContentBrowserClient::CreateBrowserMainParts(
     const MainFunctionParams& parameters) {
   return NULL;
 }
 
 WebContentsViewPort* ContentBrowserClient::OverrideCreateWebContentsView(
     WebContents* web_contents,
     RenderViewHostDelegateView** render_view_host_delegate_view) {
   return NULL;
 }
 
 WebContentsViewDelegate* ContentBrowserClient::GetWebContentsViewDelegate(
     WebContents* web_contents) {
   return NULL;
 }
 
+GURL ContentBrowserClient::GetPossiblyPrivilegedURL(
+    content::BrowserContext* browser_context,
+    const GURL& url,
+    bool is_renderer_initiated,
+    SiteInstance* current_instance) {
+  return url;
+}
+
 GURL ContentBrowserClient::GetEffectiveURL(BrowserContext* browser_context,
                                            const GURL& url) {
   return url;
 }
 
 bool ContentBrowserClient::ShouldUseProcessPerSite(
     BrowserContext* browser_context, const GURL& effective_url) {
   return false;
 }
 
@@ skipping 231 matching lines @@
 #endif
 
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ContentBrowserClient::GetCryptoPasswordDelegate(const GURL& url) {
   return NULL;
 }
 #endif
 
 }  // namespace content