Remove all the ephemeral apps code.

chrome/browser/extensions/extension_storage_monitor.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_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_STORAGE_MONITOR_H_
 
 #include <set>
 
 #include "base/memory/ref_counted.h"
@@ skipping 47 matching lines @@
 
   // ExtensionRegistryObserver overrides:
   void OnExtensionLoaded(content::BrowserContext* browser_context,
                          const Extension* extension) override;
   void OnExtensionUnloaded(content::BrowserContext* browser_context,
                            const Extension* extension,
                            UnloadedExtensionInfo::Reason reason) override;
   void OnExtensionWillBeInstalled(content::BrowserContext* browser_context,
                                   const Extension* extension,
                                   bool is_update,
-                                  bool from_ephemeral,
                                   const std::string& old_name) override;
   void OnExtensionUninstalled(content::BrowserContext* browser_context,
                               const Extension* extension,
                               extensions::UninstallReason reason) override;
 
   // Overridden from ExtensionUninstallDialog::Delegate:
   void OnExtensionUninstallDialogClosed(bool did_start_uninstall,
                                         const base::string16& error) override;
 
   std::string GetNotificationId(const std::string& extension_id);
@@ skipping 32 matching lines @@
   // consumes too much disk space.
   bool IsStorageNotificationEnabled(const std::string& extension_id) const;
   void SetStorageNotificationEnabled(const std::string& extension_id,
                                      bool enable_notifications);
 
   // Initially, monitoring will only be applied to ephemeral apps. This flag
   // is set by tests to enable for all extensions and apps.
   bool enable_for_all_extensions_;
 
   // The first notification is shown after the initial threshold is exceeded.
-  // Ephemeral apps have a lower threshold than fully installed extensions.
   // A lower threshold is set by tests.
   int64 initial_extension_threshold_;
-  int64 initial_ephemeral_threshold_;
 
   // The rate at which we would like to receive storage updates
   // from QuotaManager. Overridden in tests.
   base::TimeDelta observer_rate_;
 
   // IDs of extensions that notifications were shown for.
   std::set<std::string> notified_extension_ids_;
 
   content::BrowserContext* context_;
   extensions::ExtensionPrefs* extension_prefs_;
@@ skipping 17 matching lines @@
 
   friend class StorageEventObserver;
   friend class ExtensionStorageMonitorTest;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionStorageMonitor);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_STORAGE_MONITOR_H_