Reset the Lo-Fi main frame state when there is a new main frame request

components/data_reduction_proxy/content/browser/content_lofi_decider.cc

 // Copyright 2015 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 "components/data_reduction_proxy/content/browser/content_lofi_decider.h"
 
 #include <string>
 
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_config.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
 #include "content/public/browser/resource_request_info.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_request_headers.h"
-#include "net/proxy/proxy_server.h"
 #include "net/url_request/url_request.h"
 
 namespace data_reduction_proxy {
 
 ContentLoFiDecider::ContentLoFiDecider() {}
 
 ContentLoFiDecider::~ContentLoFiDecider() {}
 
 bool ContentLoFiDecider::IsUsingLoFiMode(const net::URLRequest& request) const {
   const content::ResourceRequestInfo* request_info =
       content::ResourceRequestInfo::ForRequest(&request);
   // The Lo-Fi directive should not be added for users in the Lo-Fi field
   // trial "Control" group. Check that the user is in a group that can get
   // "q=low".
   bool lofi_enabled_via_flag_or_field_trial =
       params::IsLoFiOnViaFlags() || params::IsIncludedInLoFiEnabledFieldTrial();
 
   // Return if the user is using Lo-Fi and not part of the "Control" group.
   if (request_info)
     return request_info->IsUsingLoFi() && lofi_enabled_via_flag_or_field_trial;
   return false;
 }
 
 bool ContentLoFiDecider::MaybeAddLoFiDirectiveToHeaders(
     const net::URLRequest& request,
-    net::HttpRequestHeaders* headers,
-    const net::ProxyServer& proxy_server,
-    DataReductionProxyConfig* config) const {
-  if (!proxy_server.is_valid() || proxy_server.is_direct() ||
-      proxy_server.host_port_pair().IsEmpty() ||
-      !config->IsDataReductionProxy(proxy_server.host_port_pair(), nullptr)) {
-    return false;
-  }
-
+    net::HttpRequestHeaders* headers) const {
   const content::ResourceRequestInfo* request_info =
       content::ResourceRequestInfo::ForRequest(&request);
 
   if (!request_info)
     return false;
 
   // The Lo-Fi directive should not be added for users in the Lo-Fi field
   // trial "Control" group. Check that the user is in a group that should
   // get "q=low".
   bool lofi_enabled_via_flag_or_field_trial =
@@ skipping 33 matching lines @@
 
   // |header_value| may be empty because the Lo-Fi directive is not added
   // to subrequests when preview mode is enabled.
   if (!header_value.empty())
     headers->SetHeader(chrome_proxy_header(), header_value);
 
   return true;
 }
 
 }  // namespace data_reduction_proxy