[HBD] If DefaultPluginPolicy set to 3, prompt should allow flash for the next page load only

chrome/browser/plugins/flash_temporary_permission_tracker_factory.h

+// Copyright 2016 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_PLUGINS_FLASH_TEMPORARY_PERMISSION_TRACKER_FACTORY_H_
+#define CHROME_BROWSER_PLUGINS_FLASH_TEMPORARY_PERMISSION_TRACKER_FACTORY_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/singleton.h"
+#include "chrome/browser/plugins/flash_temporary_permission_tracker.h"
+#include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
+
+namespace content {
+class BrowserContext;
+}
+
+class FlashTemporaryPermissionTracker;
+class Profile;
+
+class FlashTemporaryPermissionTrackerFactory
+    : public RefcountedBrowserContextKeyedServiceFactory {
+ public:
+  static scoped_refptr<FlashTemporaryPermissionTracker> GetForProfile(
+      Profile* profile);
+  static FlashTemporaryPermissionTrackerFactory* GetInstance();
+
+ private:
+  friend struct base::DefaultSingletonTraits<
+      FlashTemporaryPermissionTrackerFactory>;
+
+  FlashTemporaryPermissionTrackerFactory();
+  ~FlashTemporaryPermissionTrackerFactory() override;
+
+  // RefcountedBrowserContextKeyedServiceFactory methods:
+  scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor(
+      content::BrowserContext* context) const override;
+
+  // BrowserContextKeyedBaseFactory methods:
+  content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const override;
+
+  DISALLOW_COPY_AND_ASSIGN(FlashTemporaryPermissionTrackerFactory);
+};
+
+#endif  // CHROME_BROWSER_PLUGINS_FLASH_TEMPORARY_PERMISSION_TRACKER_FACTORY_H_