Remove all the ephemeral apps code.

chrome/browser/extensions/extension_service_test_with_install.cc

 // Copyright 2015 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 "chrome/browser/extensions/extension_service_test_with_install.h"
 
 #include "base/files/file_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_creator.h"
@@ skipping 381 matching lines @@
       // are manually calling clear() on loaded_, so this isn't doable.
       if (i == loaded_.end())
         return;
       loaded_.erase(i);
 }
 
 void ExtensionServiceTestWithInstall::OnExtensionWillBeInstalled(
     content::BrowserContext* browser_context,
     const Extension* extension,
     bool is_update,
-    bool from_ephemeral,
     const std::string& old_name) {
   installed_ = extension;
   was_update_ = is_update;
   old_name_ = old_name;
 }
 
 // Create a CrxInstaller and install the CRX file.
 // Instead of calling this method yourself, use InstallCRX(), which does extra
 // error checking.
 void ExtensionServiceTestWithInstall::InstallCRXInternal(
@@ skipping 10 matching lines @@
   content::WindowedNotificationObserver observer(
       extensions::NOTIFICATION_CRX_INSTALLER_DONE,
       content::Source<extensions::CrxInstaller>(installer.get()));
 
   installer->InstallCrx(crx_path);
 
   observer.Wait();
 }
 
 }  // namespace extensions