Update the EphemeralAppLauncher for use by the webstorePrivate API

chrome/browser/extensions/extension_installer.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALLER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/requirements_checker.h"
 #include "extensions/common/extension.h"
 
 class Profile;
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 
 
 // Holds common methods and data of extension installers.
+//
+// NOTE: This class is deprecated and has been replaced by
+// ExtensionInstallChecker.
+// TODO(tmdiep): CrxInstaller and UnpackedInstaller should be refactored to use
+// this class (crbug.com/386404).
 class ExtensionInstaller {
  public:
   typedef base::Callback<void(std::vector<std::string>)> RequirementsCallback;
 
   explicit ExtensionInstaller(Profile* profile);
   ~ExtensionInstaller();
 
   // Called on the UI thread to start the requirements check on the extension
   void CheckRequirements(const RequirementsCallback& callback);
 
@@ skipping 23 matching lines @@
   scoped_refptr<const Extension> extension_;
 
   base::WeakPtrFactory<ExtensionInstaller> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionInstaller);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALLER_H_