Clean up old legacy preference migration logic.

components/user_prefs/tracked/pref_service_hash_store_contents_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/user_prefs/tracked/pref_service_hash_store_contents.h"
-
-#include <string>
-
-#include "base/values.h"
-#include "components/prefs/pref_service.h"
-#include "components/prefs/testing_pref_service.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-class PrefServiceHashStoreContentsTest : public testing::Test {
- public:
-  void SetUp() override {
-    PrefServiceHashStoreContents::RegisterPrefs(local_state_.registry());
-  }
-
- protected:
-  TestingPrefServiceSimple local_state_;
-};
-
-TEST_F(PrefServiceHashStoreContentsTest, hash_store_id) {
-  PrefServiceHashStoreContents contents("store_id", &local_state_);
-  ASSERT_EQ("store_id", contents.hash_store_id());
-}
-
-TEST_F(PrefServiceHashStoreContentsTest, IsInitialized) {
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_FALSE(contents.IsInitialized());
-    (*contents.GetMutableContents())->Set("foo", new base::StringValue("bar"));
-    ASSERT_TRUE(contents.IsInitialized());
-  }
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_TRUE(contents.IsInitialized());
-    PrefServiceHashStoreContents other_contents("other_store_id",
-                                                &local_state_);
-    ASSERT_FALSE(other_contents.IsInitialized());
-  }
-}
-
-TEST_F(PrefServiceHashStoreContentsTest, Reset) {
-  ASSERT_FALSE(local_state_.GetUserPrefValue(
-      PrefServiceHashStoreContents::kProfilePreferenceHashes));
-
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_FALSE(contents.IsInitialized());
-    (*contents.GetMutableContents())->Set("foo", new base::StringValue("bar"));
-    ASSERT_TRUE(contents.IsInitialized());
-    PrefServiceHashStoreContents other_contents("other_store_id",
-                                                &local_state_);
-    (*other_contents.GetMutableContents())
-        ->Set("foo", new base::StringValue("bar"));
-  }
-
-  ASSERT_TRUE(local_state_.GetUserPrefValue(
-      PrefServiceHashStoreContents::kProfilePreferenceHashes));
-
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_TRUE(contents.IsInitialized());
-    contents.Reset();
-    ASSERT_FALSE(contents.IsInitialized());
-  }
-
-  ASSERT_TRUE(local_state_.GetUserPrefValue(
-      PrefServiceHashStoreContents::kProfilePreferenceHashes));
-
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_FALSE(contents.IsInitialized());
-    PrefServiceHashStoreContents other_contents("other_store_id",
-                                                &local_state_);
-    ASSERT_TRUE(other_contents.IsInitialized());
-  }
-
-  {
-    PrefServiceHashStoreContents other_contents("other_store_id",
-                                                &local_state_);
-    other_contents.Reset();
-  }
-
-  ASSERT_FALSE(local_state_.GetUserPrefValue(
-      PrefServiceHashStoreContents::kProfilePreferenceHashes));
-}
-
-TEST_F(PrefServiceHashStoreContentsTest, GetAndSetContents) {
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_EQ(NULL, contents.GetContents());
-    (*contents.GetMutableContents())->Set("foo", new base::StringValue("bar"));
-    ASSERT_FALSE(contents.GetContents() == NULL);
-    std::string actual_value;
-    ASSERT_TRUE(contents.GetContents()->GetString("foo", &actual_value));
-    ASSERT_EQ("bar", actual_value);
-    PrefServiceHashStoreContents other_contents("other_store_id",
-                                                &local_state_);
-    ASSERT_EQ(NULL, other_contents.GetContents());
-  }
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_FALSE(contents.GetContents() == NULL);
-  }
-}
-
-TEST_F(PrefServiceHashStoreContentsTest, GetAndSetSuperMac) {
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_TRUE(contents.GetSuperMac().empty());
-    (*contents.GetMutableContents())->Set("foo", new base::StringValue("bar"));
-    ASSERT_TRUE(contents.GetSuperMac().empty());
-    contents.SetSuperMac("0123456789");
-    ASSERT_EQ("0123456789", contents.GetSuperMac());
-  }
-  {
-    PrefServiceHashStoreContents contents("store_id", &local_state_);
-    ASSERT_EQ("0123456789", contents.GetSuperMac());
-    PrefServiceHashStoreContents other_contents("other_store_id",
-                                                &local_state_);
-    ASSERT_TRUE(other_contents.GetSuperMac().empty());
-  }
-}
-
-TEST_F(PrefServiceHashStoreContentsTest, ResetAllPrefHashStores) {
-  {
-    PrefServiceHashStoreContents contents_1("store_id_1", &local_state_);
-    PrefServiceHashStoreContents contents_2("store_id_2", &local_state_);
-    (*contents_1.GetMutableContents())
-        ->Set("foo", new base::StringValue("bar"));
-    (*contents_2.GetMutableContents())
-        ->Set("foo", new base::StringValue("bar"));
-  }
-  {
-    PrefServiceHashStoreContents contents_1("store_id_1", &local_state_);
-    PrefServiceHashStoreContents contents_2("store_id_2", &local_state_);
-    ASSERT_TRUE(contents_1.IsInitialized());
-    ASSERT_TRUE(contents_2.IsInitialized());
-  }
-
-  PrefServiceHashStoreContents::ResetAllPrefHashStores(&local_state_);
-
-  {
-    PrefServiceHashStoreContents contents_1("store_id_1", &local_state_);
-    PrefServiceHashStoreContents contents_2("store_id_2", &local_state_);
-    ASSERT_FALSE(contents_1.IsInitialized());
-    ASSERT_FALSE(contents_2.IsInitialized());
-  }
-}