[Sync] Move //sync to //components/sync.

sync/util/data_type_histogram_unittest.cc

-// Copyright (c) 2012 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 "sync/util/data_type_histogram.h"
-
-#include "base/metrics/statistics_recorder.h"
-#include "base/time/time.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace syncer {
-namespace {
-
-class DataTypeHistogramTest : public testing::Test {
- public:
-  void SetUp() override {
-    base::StatisticsRecorder::Initialize();
-  }
-};
-
-// Create a histogram of type LOCAL_HISTOGRAM_COUNTS for each model type.
-// Nothing should break.
-TEST(DataTypeHistogramTest, BasicCount) {
-  for (int i = FIRST_REAL_MODEL_TYPE; i <= LAST_REAL_MODEL_TYPE; ++i) {
-    ModelType type = ModelTypeFromInt(i);
-#define PER_DATA_TYPE_MACRO(type_str) \
-    LOCAL_HISTOGRAM_COUNTS("BasicCountPrefix" type_str "Suffix", 1);
-    SYNC_DATA_TYPE_HISTOGRAM(type);
-#undef PER_DATA_TYPE_MACRO
-  }
-}
-
-// Create a histogram of type SYNC_FREQ_HISTOGRAM for each model type. Nothing
-// should break.
-TEST(DataTypeHistogramTest, BasicFreq) {
-  for (int i = FIRST_REAL_MODEL_TYPE; i <= LAST_REAL_MODEL_TYPE; ++i) {
-    ModelType type = ModelTypeFromInt(i);
-#define PER_DATA_TYPE_MACRO(type_str) \
-    SYNC_FREQ_HISTOGRAM("BasicFreqPrefix" type_str "Suffix", \
-                        base::TimeDelta::FromSeconds(1));
-    SYNC_DATA_TYPE_HISTOGRAM(type);
-#undef PER_DATA_TYPE_MACRO
-  }
-}
-
-// Create a histogram of type UMA_HISTOGRAM_ENUMERATION for each model type.
-// Nothing should break.
-TEST(DataTypeHistogramTest, BasicEnum) {
-  enum HistTypes {
-    TYPE_1,
-    TYPE_2,
-    TYPE_COUNT,
-  };
-  for (int i = FIRST_REAL_MODEL_TYPE; i <= LAST_REAL_MODEL_TYPE; ++i) {
-    ModelType type = ModelTypeFromInt(i);
-#define PER_DATA_TYPE_MACRO(type_str) \
-    UMA_HISTOGRAM_ENUMERATION("BasicEnumPrefix" type_str "Suffix", \
-                              (i % 2 ? TYPE_1 : TYPE_2), TYPE_COUNT);
-    SYNC_DATA_TYPE_HISTOGRAM(type);
-#undef PER_DATA_TYPE_MACRO
-  }
-}
-
-}  // namespace
-}  // namespace syncer