Extend VariationParamsManager to support feature associations.

components/ntp_snippets/ntp_snippets_fetcher_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 "components/ntp_snippets/ntp_snippets_fetcher.h"
 
 #include <map>
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/histogram_tester.h"
 #include "base/test/test_mock_time_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "components/ntp_snippets/category_factory.h"
 #include "components/ntp_snippets/ntp_snippet.h"
 #include "components/ntp_snippets/ntp_snippets_constants.h"
 #include "components/prefs/testing_pref_service.h"
 #include "components/signin/core/browser/account_tracker_service.h"
 #include "components/signin/core/browser/fake_profile_oauth2_token_service.h"
 #include "components/signin/core/browser/fake_signin_manager.h"
 #include "components/signin/core/browser/test_signin_client.h"
 #include "components/variations/entropy_provider.h"
-#include "components/variations/variations_associated_data.h"
+#include "components/variations/variations_params_manager.h"
 #include "google_apis/google_api_keys.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace ntp_snippets {
 
 namespace {
 
@@ skipping 108 matching lines @@
 }  // namespace
 
 class NTPSnippetsFetcherTest : public testing::Test {
  public:
   NTPSnippetsFetcherTest()
       : NTPSnippetsFetcherTest(GetFetcherUrl(kTestChromeReaderUrlFormat),
                                std::map<std::string, std::string>()) {}
 
   NTPSnippetsFetcherTest(const GURL& gurl,
                          const std::map<std::string, std::string>& params)
-      : params_manager_(ntp_snippets::kStudyName, params),
+      : params_manager_(ntp_snippets::kStudyName, params, {}),
         mock_task_runner_(new base::TestMockTimeTaskRunner()),
         mock_task_runner_handle_(mock_task_runner_),
         signin_client_(new TestSigninClient(nullptr)),
         account_tracker_(new AccountTrackerService()),
         fake_signin_manager_(new FakeSigninManagerBase(signin_client_.get(),
                                                        account_tracker_.get())),
         fake_token_service_(new FakeProfileOAuth2TokenService()),
         pref_service_(new TestingPrefServiceSimple()),
         test_lang_("en-US"),
         test_url_(gurl) {
@@ skipping 639 matching lines @@
   if (snippets) {
     // Matchers above aren't any more precise than this, so this is sufficient
     // for test-failure diagnostics.
     return os << "list with " << snippets->size() << " elements";
   } else {
     return os << "null";
   }
 }
 
 }  // namespace ntp_snippets