Extend VariationParamsManager to support feature associations.

chrome/browser/chromeos/hats/hats_finch_helper_unittest.cc

 // Copyright 2016 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 "chrome/browser/chromeos/hats/hats_finch_helper.h"
 
 #include <map>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/test/scoped_feature_list.h"
 #include "chrome/common/chrome_features.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/prefs/pref_service.h"
 #include "components/variations/variations_associated_data.h"
+#include "components/variations/variations_params_manager.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
 
 namespace {
 
 const char kGroupTesting[] = "Testing";
 const std::string kTrialName(features::kHappinessTrackingSystem.name);
 
@@ skipping 142 matching lines @@
             2 * current_time.ToJsTime());
 
   EXPECT_FALSE(pref_service->GetBoolean(prefs::kHatsDeviceIsSelected));
   EXPECT_NE(pref_service->GetInt64(prefs::kHatsSurveyCycleEndTimestamp),
             initial_timestamp);
   EXPECT_NE(pref_service->GetInt64(prefs::kHatsLastInteractionTimestamp),
             initial_timestamp);
 }
 
 }  // namespace chromeos