Refactor UKM interface for mojo-ification

components/ukm/test_ukm_service.cc

-// Copyright 2017 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/ukm/test_ukm_service.h"
-
-#include "base/logging.h"
-#include "base/metrics/metrics_hashes.h"
-#include "components/ukm/ukm_entry.h"
-#include "components/ukm/ukm_source.h"
-
-namespace ukm {
-
-UkmServiceTestingHarness::UkmServiceTestingHarness() {
-  UkmService::RegisterPrefs(test_prefs_.registry());
-  test_prefs_.ClearPref(prefs::kUkmClientId);
-  test_prefs_.ClearPref(prefs::kUkmSessionId);
-  test_prefs_.ClearPref(prefs::kUkmPersistedLogs);
-
-  test_ukm_service_ = base::MakeUnique<TestUkmService>(&test_prefs_);
-}
-
-UkmServiceTestingHarness::~UkmServiceTestingHarness() = default;
-
-TestUkmService::TestUkmService(PrefService* prefs_service)
-    : UkmService(prefs_service, &test_metrics_service_client_) {
-  EnableRecording();
-  DisableReporting();
-}
-
-TestUkmService::~TestUkmService() = default;
-
-const std::map<int32_t, std::unique_ptr<UkmSource>>&
-TestUkmService::GetSources() const {
-  return sources_for_testing();
-}
-
-const UkmSource* TestUkmService::GetSourceForUrl(const char* url) const {
-  const UkmSource* source = nullptr;
-  for (const auto& kv : sources_for_testing()) {
-    if (kv.second->url() == url) {
-      DCHECK_EQ(nullptr, source);
-      source = kv.second.get();
-    }
-  }
-  return source;
-}
-
-const UkmSource* TestUkmService::GetSourceForSourceId(int32_t source_id) const {
-  const UkmSource* source = nullptr;
-  for (const auto& kv : sources_for_testing()) {
-    if (kv.second->id() == source_id) {
-      DCHECK_EQ(nullptr, source);
-      source = kv.second.get();
-    }
-  }
-  return source;
-}
-
-const UkmEntry* TestUkmService::GetEntry(size_t entry_num) const {
-  return entries_for_testing()[entry_num].get();
-}
-
-const UkmEntry* TestUkmService::GetEntryForEntryName(
-    const char* entry_name) const {
-  for (const auto& it : entries_for_testing()) {
-    if (it->event_hash() == base::HashMetricName(entry_name))
-      return it.get();
-  }
-  return nullptr;
-}
-
-}  // namespace ukm