Ensure tests have an active task runner

chrome/browser/signin/local_auth_unittest.cc

 // Copyright 2013 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/signin/local_auth.h"
 
 #include "base/base64.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chrome/test/base/testing_profile_manager.h"
 #include "components/os_crypt/os_crypt.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
-TEST(LocalAuthTest, SetAndCheckCredentials) {
+class LocalAuthTest : public testing::Test {
+  content::TestBrowserThreadBundle thread_bundle_;
+};
+
+TEST_F(LocalAuthTest, SetAndCheckCredentials) {
   TestingProfileManager testing_profile_manager(
       TestingBrowserProcess::GetGlobal());
   ASSERT_TRUE(testing_profile_manager.SetUp());
   Profile* prof = testing_profile_manager.CreateTestingProfile("p1");
   ProfileInfoCache& cache =
       testing_profile_manager.profile_manager()->GetProfileInfoCache();
   EXPECT_EQ(1U, cache.GetNumberOfProfiles());
   EXPECT_EQ("", cache.GetLocalAuthCredentialsOfProfileAtIndex(0));
 
 #if defined(OS_MACOSX)
@@ skipping 19 matching lines @@
   EXPECT_FALSE(decodedhash.empty());
   EXPECT_EQ(decodedhash.find(password), std::string::npos);
 
   EXPECT_TRUE(LocalAuth::ValidateLocalAuthCredentials(prof, password));
   EXPECT_FALSE(LocalAuth::ValidateLocalAuthCredentials(prof, password + "1"));
 
   LocalAuth::SetLocalAuthCredentials(prof, password);  // makes different salt
   EXPECT_NE(passhash, cache.GetLocalAuthCredentialsOfProfileAtIndex(0));
 }
 
-
-TEST(LocalAuthTest, SetUpgradeAndCheckCredentials) {
+TEST_F(LocalAuthTest, SetUpgradeAndCheckCredentials) {
   TestingProfileManager testing_profile_manager(
       TestingBrowserProcess::GetGlobal());
   ASSERT_TRUE(testing_profile_manager.SetUp());
   Profile* prof = testing_profile_manager.CreateTestingProfile("p1");
   ProfileInfoCache& cache =
       testing_profile_manager.profile_manager()->GetProfileInfoCache();
 
 #if defined(OS_MACOSX)
   OSCrypt::UseMockKeychain(true);
 #endif
@@ skipping 15 matching lines @@
       profile_index);
   EXPECT_EQ('2', newpasshash[0]);
   // Encoding '2' writes fewer bytes than encoding '1'.
   EXPECT_LE(newpasshash.length(), oldpasshash.length());
 
   // Validate, ensure we validate against the new encoding.
   EXPECT_TRUE(LocalAuth::ValidateLocalAuthCredentials(prof, password));
 }
 
 // Test truncation where each byte is left whole.
-TEST(LocalAuthTest, TruncateStringEvenly) {
+TEST_F(LocalAuthTest, TruncateStringEvenly) {
   std::string two_chars = "A6";
   std::string three_chars = "A6C";
   EXPECT_EQ(two_chars, LocalAuth::TruncateStringByBits(two_chars, 16));
   EXPECT_EQ(two_chars, LocalAuth::TruncateStringByBits(three_chars, 16));
 
   EXPECT_EQ(two_chars, LocalAuth::TruncateStringByBits(two_chars, 14));
   EXPECT_EQ(two_chars, LocalAuth::TruncateStringByBits(three_chars, 14));
 }
 
 // Test truncation that affects the results within a byte.
-TEST(LocalAuthTest, TruncateStringUnevenly) {
+TEST_F(LocalAuthTest, TruncateStringUnevenly) {
   std::string two_chars = "Az";
   std::string three_chars = "AzC";
   // 'z' = 0x7A, ':' = 0x3A.
   std::string two_chars_truncated = "A:";
   EXPECT_EQ(two_chars_truncated,
       LocalAuth::TruncateStringByBits(two_chars, 14));
   EXPECT_EQ(two_chars_truncated,
       LocalAuth::TruncateStringByBits(three_chars, 14));
 }