Remove all the ephemeral apps code.

extensions/browser/test_extension_registry_observer.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 EXTENSIONS_BROWSER_TEST_EXTENSION_REGISTRY_OBSERVER_H_
 #define EXTENSIONS_BROWSER_TEST_EXTENSION_REGISTRY_OBSERVER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 20 matching lines @@
   const Extension* WaitForExtensionLoaded();
   const Extension* WaitForExtensionUnloaded();
 
  private:
   class Waiter;
 
   // ExtensionRegistryObserver.
   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;
   void OnExtensionLoaded(content::BrowserContext* browser_context,
                          const Extension* extension) override;
   void OnExtensionUnloaded(content::BrowserContext* browser_context,
                            const Extension* extension,
                            UnloadedExtensionInfo::Reason reason) override;
 
   const Extension* Wait(scoped_ptr<Waiter>* waiter);
 
   scoped_ptr<Waiter> will_be_installed_waiter_;
   scoped_ptr<Waiter> uninstalled_waiter_;
   scoped_ptr<Waiter> loaded_waiter_;
   scoped_ptr<Waiter> unloaded_waiter_;
 
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   std::string extension_id_;
 
   DISALLOW_COPY_AND_ASSIGN(TestExtensionRegistryObserver);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_TEST_EXTENSION_REGISTRY_OBSERVER_H_