Add a triggered profile reset mechanism.

chrome/browser/profile_resetter/triggered_profile_resetter_factory.h

+// Copyright 2015 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.
+
+#ifndef CHROME_BROWSER_PROFILE_RESETTER_TRIGGERED_PROFILE_RESETTER_FACTORY_H_
+#define CHROME_BROWSER_PROFILE_RESETTER_TRIGGERED_PROFILE_RESETTER_FACTORY_H_
+
+#include "base/macros.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+namespace base {
+template <typename T>
+struct DefaultSingletonTraits;
+}
+
+namespace content {
+class BrowserContext;
+}
+
+namespace user_prefs {
+class PrefRegistrySyncable;
+}
+
+class TriggeredProfileResetter;
+
+class TriggeredProfileResetterFactory
+    : public BrowserContextKeyedServiceFactory {
+ public:
+  static TriggeredProfileResetter* GetForBrowserContext(
+      content::BrowserContext* context);
+  static TriggeredProfileResetterFactory* GetInstance();
+
+  // Registers a factory function to build a TriggeredProfileResetter instance
+  // to be returned by any subsequent calls to GetForBrowserContext(). Used in
+  // browser tests that don't provide an easy way to call KeyedServiceFactory's
+  // SetTesting() methods after profile creation but before factories that
+  // return true from ServiceIsCreatedWithBrowserContext() are created.
+  static void SetGlobalTestingFactory(TestingFactoryFunction testing_factory);
+
+ private:
+  friend struct base::DefaultSingletonTraits<TriggeredProfileResetterFactory>;
+
+  TriggeredProfileResetterFactory();
+  ~TriggeredProfileResetterFactory() override;
+
+  // BrowserContextKeyedServiceFactory:
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const override;
+
+  // BrowserContextKeyedBaseFactory:
+  void RegisterProfilePrefs(
+      user_prefs::PrefRegistrySyncable* registry) override;
+  bool ServiceIsCreatedWithBrowserContext() const override;
+
+  TestingFactoryFunction testing_factory_function_ = nullptr;
+
+  DISALLOW_COPY_AND_ASSIGN(TriggeredProfileResetterFactory);
+};
+
+#endif  // CHROME_BROWSER_PROFILE_RESETTER_TRIGGERED_PROFILE_RESETTER_FACTORY_H_