Keep Lite Page bit set

content/renderer/render_frame_impl.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 "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 3728 matching lines @@
   const WebURLResponse& web_url_response = frame_->DataSource()->GetResponse();
   WebURLResponseExtraDataImpl* extra_data =
       GetExtraDataFromResponse(web_url_response);
   // Only update the PreviewsState and effective connection type states for new
   // main frame documents. Subframes inherit from the main frame and should not
   // change at commit time.
   if (is_main_frame_ && !navigation_state->WasWithinSameDocument()) {
     previews_state_ =
         extra_data ? extra_data->previews_state() : PREVIEWS_OFF;
 
-    // Set lite pages off if a lite page was not loaded for the main frame.
-    if (web_url_response
-            .HttpHeaderField(
-                WebString::FromUTF8(kChromeProxyContentTransformHeader))
-            .Utf8() != kChromeProxyLitePageDirective) {
-      previews_state_ &= ~(SERVER_LITE_PAGE_ON);
-    }
-
     if (extra_data) {
       effective_connection_type_ =
           EffectiveConnectionTypeToWebEffectiveConnectionType(
               extra_data->effective_connection_type());
     }
   }
 
   if (proxy_routing_id_ != MSG_ROUTING_NONE) {
     // If this is a provisional frame associated with a proxy (i.e., a frame
     // created for a remote-to-local navigation), swap it into the frame tree
@@ skipping 3302 matching lines @@
       policy(info.default_policy),
       replaces_current_history_item(info.replaces_current_history_item),
       history_navigation_in_new_child_frame(
           info.is_history_navigation_in_new_child_frame),
       client_redirect(info.is_client_redirect),
       cache_disabled(info.is_cache_disabled),
       form(info.form),
       source_location(info.source_location) {}
 
 }  // namespace content