Replace deprecated base::NonThreadSafe in extensions in favor of SequenceChecker.

extensions/browser/warning_service_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 "extensions/browser/warning_service.h"
 
 #include "content/public/test/test_browser_context.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "extensions/browser/extensions_test.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 namespace {
 
 class TestWarningService : public WarningService {
  public:
@@ skipping 20 matching lines @@
 const char ext1_id[] = "extension1";
 const char ext2_id[] = "extension2";
 const Warning::WarningType warning_1 = Warning::kNetworkDelay;
 const Warning::WarningType warning_2 = Warning::kNetworkConflict;
 
 }  // namespace
 
 // Check that inserting a warning triggers notifications, whereas inserting
 // the same warning again is silent.
 TEST_F(WarningServiceTest, SetWarning) {
+  content::TestBrowserThreadBundle thread_bundle_;
   content::TestBrowserContext browser_context;
   TestWarningService warning_service(&browser_context);
   MockObserver observer;
   warning_service.AddObserver(&observer);
 
   ExtensionIdSet affected_extensions;
   affected_extensions.insert(ext1_id);
   // Insert warning for the first time.
   EXPECT_CALL(observer, ExtensionWarningsChanged(affected_extensions));
   warning_service.AddWarning(
       Warning::CreateNetworkDelayWarning(ext1_id));
   testing::Mock::VerifyAndClearExpectations(&warning_service);
 
   // Second insertion of same warning does not trigger anything.
   warning_service.AddWarning(Warning::CreateNetworkDelayWarning(ext1_id));
   testing::Mock::VerifyAndClearExpectations(&warning_service);
 
   warning_service.RemoveObserver(&observer);
 }
 
 // Check that ClearWarnings deletes exactly the specified warnings and
 // triggers notifications where appropriate.
 TEST_F(WarningServiceTest, ClearWarnings) {
+  content::TestBrowserThreadBundle thread_bundle_;
   content::TestBrowserContext browser_context;
   TestWarningService warning_service(&browser_context);
   MockObserver observer;
   warning_service.AddObserver(&observer);
 
   // Insert two unique warnings in one batch.
   std::set<std::string> affected_extensions;
   affected_extensions.insert(ext1_id);
   affected_extensions.insert(ext2_id);
   EXPECT_CALL(observer, ExtensionWarningsChanged(affected_extensions));
@@ skipping 33 matching lines @@
       warning_service.GetWarningTypesAffectingExtension(ext1_id);
   EXPECT_EQ(0u, existing_warnings.size());
   existing_warnings =
       warning_service.GetWarningTypesAffectingExtension(ext2_id);
   EXPECT_EQ(0u, existing_warnings.size());
 
   warning_service.RemoveObserver(&observer);
 }
 
 }  // namespace extensions