Show a notification when an ephemeral app consumes excessive disk space

chrome/browser/extensions/extension_storage_monitor_factory.h

+// 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_STORAGE_MONITOR_FACTORY_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_STORAGE_MONITOR_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+namespace extensions {
+
+class ExtensionStorageMonitor;
+
+class ExtensionStorageMonitorFactory
+    : public BrowserContextKeyedServiceFactory {
+ public:
+  static ExtensionStorageMonitor* GetForBrowserContext(
+      content::BrowserContext* context);
+
+  static ExtensionStorageMonitorFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<ExtensionStorageMonitorFactory>;
+
+  ExtensionStorageMonitorFactory();
+  virtual ~ExtensionStorageMonitorFactory();
+
+  // BrowserContextKeyedServiceFactory implementation:
+  virtual KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const OVERRIDE;
+  virtual content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const OVERRIDE;
+  virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
+  virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_STORAGE_MONITOR_FACTORY_H_