Change Lo-Fi bool to bitmask to support multiple Previews types

content/child/web_url_loader_impl.cc

 // Copyright 2014 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/child/web_url_loader_impl.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 584 matching lines @@
   resource_request->download_to_file = request.downloadToFile();
   resource_request->has_user_gesture = request.hasUserGesture();
   resource_request->enable_load_timing = true;
   resource_request->enable_upload_progress = request.reportUploadProgress();
   if (request.getRequestContext() ==
           WebURLRequest::RequestContextXMLHttpRequest &&
       (url.has_username() || url.has_password())) {
     resource_request->do_not_prompt_for_login = true;
   }
   resource_request->report_raw_headers = request.reportRawHeaders();
-  resource_request->lofi_state = static_cast<LoFiState>(request.getLoFiState());
+  resource_request->previews_state =
+      static_cast<PreviewsState>(request.getPreviewsState());
 
   // PlzNavigate: during navigation, the renderer should request a stream which
   // contains the body of the response. The network request has already been
   // made by the browser.
   if (stream_override_.get()) {
     CHECK(IsBrowserSideNavigationEnabled());
     DCHECK(!sync_load_response);
     DCHECK_NE(WebURLRequest::FrameTypeNone, request.getFrameType());
     resource_request->resource_body_stream_url = stream_override_->stream_url;
   }
@@ skipping 462 matching lines @@
   SetSecurityStyleAndDetails(url, info, response, report_security_info);
 
   WebURLResponseExtraDataImpl* extra_data =
       new WebURLResponseExtraDataImpl(info.alpn_negotiated_protocol);
   response->setExtraData(extra_data);
   extra_data->set_was_fetched_via_spdy(info.was_fetched_via_spdy);
   extra_data->set_was_alpn_negotiated(info.was_alpn_negotiated);
   extra_data->set_was_alternate_protocol_available(
       info.was_alternate_protocol_available);
   extra_data->set_connection_info(info.connection_info);
-  extra_data->set_is_using_lofi(info.is_using_lofi);
+  extra_data->set_previews_state(info.previews_state);
   extra_data->set_effective_connection_type(info.effective_connection_type);
 
   // If there's no received headers end time, don't set load timing.  This is
   // the case for non-HTTP requests, requests that don't go over the wire, and
   // certain error cases.
   if (!info.load_timing.receive_headers_end.is_null()) {
     WebURLLoadTiming timing;
     PopulateURLLoadTiming(info.load_timing, &timing);
     const TimeTicks kNullTicks;
     timing.setWorkerStart(
@@ skipping 160 matching lines @@
                                          int intra_priority_value) {
   context_->DidChangePriority(new_priority, intra_priority_value);
 }
 
 void WebURLLoaderImpl::setLoadingTaskRunner(
     base::SingleThreadTaskRunner* loading_task_runner) {
   context_->SetTaskRunner(loading_task_runner);
 }
 
 }  // namespace content