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_unittest.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 "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 291 matching lines @@
   MockSettings* settings = static_cast<MockSettings*>(settings_.get());
   EXPECT_CALL(*settings, RecordStartupState(PROXY_ENABLED));
   test_context_->SetDataReductionProxyEnabled(true);
   settings->SetLoFiModeActiveOnMainFrame(true);
   InitDataReductionProxy(true);
 
   ExpectSetProxyPrefs(false, false);
   settings_->SetDataReductionProxyEnabled(false);
   test_context_->RunUntilIdle();
   CheckDataReductionProxySyntheticTrial(false);
-  CheckDataReductionProxyLoFiSyntheticTrial(false);
 
   ExpectSetProxyPrefs(true, false);
   settings->SetDataReductionProxyEnabled(true);
   CheckDataReductionProxySyntheticTrial(true);
-  CheckDataReductionProxyLoFiSyntheticTrial(true);
-}
-
-TEST_F(DataReductionProxySettingsTest, TestEnableLoFiSyntheticTrial) {
-  MockSettings* settings = static_cast<MockSettings*>(settings_.get());
-  EXPECT_CALL(*settings, RecordStartupState(PROXY_ENABLED));
-  test_context_->SetDataReductionProxyEnabled(true);
-  InitDataReductionProxy(true);
-
-  // The Lo-Fi field trial will be set to "Disabled" until the first main frame
-  // request with Lo-Fi active.
-  CheckDataReductionProxyLoFiSyntheticTrial(false);
-
-  // Turn Lo-Fi on.
-  settings->SetLoFiModeActiveOnMainFrame(true);
-  CheckDataReductionProxyLoFiSyntheticTrial(true);
-
-  // Now turn it off.
-  settings->SetLoFiModeActiveOnMainFrame(false);
-  CheckDataReductionProxyLoFiSyntheticTrial(false);
 }
 
 TEST_F(DataReductionProxySettingsTest, TestLoFiImplicitOptOutClicksPerSession) {
   InitPrefMembers();
   settings_->data_reduction_proxy_service_->SetIOData(
       test_context_->io_data()->GetWeakPtr());
   test_context_->config()->ResetLoFiStatusForTest();
   EXPECT_EQ(0, test_context_->pref_service()->GetInteger(
                    prefs::kLoFiLoadImagesPerSession));
   EXPECT_EQ(0, test_context_->pref_service()->GetInteger(
@@ skipping 392 matching lines @@
                        SyntheticFieldTrialRegistrationCallback,
                    base::Unretained(this)));
 
     net::ProxyServer origin =
         test_context_->config()->test_params()->proxies_for_http().front();
     EXPECT_EQ(tests[i].enable_quic, origin.is_quic()) << i;
   }
 }
 
 }  // namespace data_reduction_proxy