Rename Lo-Fi previews to lite pages

chrome/browser/previews/previews_infobar_tab_helper.cc

 // Copyright 2016 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/previews/previews_infobar_tab_helper.h"
 
 #include "chrome/browser/previews/previews_infobar_delegate.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_handle.h"
@@ skipping 24 matching lines @@
 
 void PreviewsInfoBarTabHelper::DidFinishNavigation(
     content::NavigationHandle* navigation_handle) {
   if (!navigation_handle->IsInMainFrame() || !navigation_handle->HasCommitted())
     return;
   const net::HttpResponseHeaders* headers =
       navigation_handle->GetResponseHeaders();
   if (headers &&
       headers->HasHeaderValue(
           data_reduction_proxy::chrome_proxy_header(),
-          data_reduction_proxy::chrome_proxy_lo_fi_preview_directive())) {
+          data_reduction_proxy::chrome_proxy_lite_page_directive())) {
     PreviewsInfoBarDelegate::Create(navigation_handle->GetWebContents(),
                                     PreviewsInfoBarDelegate::LITE_PAGE);
   }
 }