Remove all the ephemeral apps code.

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2013 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.
 
 #include <algorithm>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 931 matching lines @@
 
   // TODO(erikkay): add more tests for many of the failure cases.
   // TODO(erikkay): add tests for upgrade cases.
 }
 
 struct MockExtensionRegistryObserver
     : public extensions::ExtensionRegistryObserver {
   void OnExtensionWillBeInstalled(content::BrowserContext* browser_context,
                                   const Extension* extension,
                                   bool is_update,
-                                  bool from_ephemeral,
                                   const std::string& old_name) override {
     last_extension_installed = extension->id();
   }
 
   void OnExtensionUninstalled(content::BrowserContext* browser_context,
                               const Extension* extension,
                               extensions::UninstallReason reason) override {
     last_extension_uninstalled = extension->id();
   }
 
@@ skipping 5207 matching lines @@
 
   service()->Observe(chrome::NOTIFICATION_PROFILE_DESTRUCTION_STARTED,
                      content::Source<Profile>(profile()),
                      content::NotificationService::NoDetails());
   EXPECT_EQ(UnloadedExtensionInfo::REASON_PROFILE_SHUTDOWN, unloaded_reason_);
   EXPECT_EQ(0u, registry()->enabled_extensions().size());
   EXPECT_EQ(0u, registry()->disabled_extensions().size());
   EXPECT_EQ(0u, registry()->terminated_extensions().size());
   EXPECT_EQ(0u, registry()->blacklisted_extensions().size());
 }