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

components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h

 // 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.
 
 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 239 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(DataReductionProxySettingsTest,
                            TestSettingsEnabledStateHistograms);
 
   // Override of DataReductionProxyService::Observer.
   void OnServiceInitialized() override;
 
   // Registers the trial "SyntheticDataReductionProxySetting" with the group
   // "Enabled" or "Disabled". Indicates whether the proxy is turned on or not.
   void RegisterDataReductionProxyFieldTrial();
 
-  // Registers the trial "SyntheticDataReductionProxyLoFiSetting" with the group
-  // "Enabled" or "Disabled". Indicates whether Lo-Fi is turned on or not.
-  // The group won't be reported if it changes while compiling the report. It
-  // can be assumed that when no Lo-Fi group is reported, the user was in a
-  // mixed Lo-Fi state.
-  void RegisterLoFiFieldTrial();
-
   void OnProxyEnabledPrefChange();
 
   void ResetDataReductionStatistics();
 
   // Update IO thread objects in response to UI thread changes.
   void UpdateIOData(bool at_startup);
 
   // For tests.
   void set_data_reduction_proxy_enabled_pref_name_for_test(
       const std::string& data_reduction_proxy_enabled_pref_name) {
@@ skipping 49 matching lines @@
   SyntheticFieldTrialRegistrationCallback register_synthetic_field_trial_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxySettings);
 };
 
 }  // namespace data_reduction_proxy
 
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_