Remove two deprecated methods from base::Version

chrome/browser/extensions/crx_installer.h

 // Copyright (c) 2012 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_CRX_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 93 matching lines @@
     return install_source_;
   }
   void set_install_source(extensions::Extension::Location source) {
     install_source_ = source;
   }
 
   const std::string& expected_id() const { return expected_id_; }
   void set_expected_id(const std::string& val) { expected_id_ = val; }
 
   void set_expected_version(const Version& val) {
-    expected_version_.reset(val.Clone());
+    expected_version_.reset(new Version(val));
   }
 
   bool delete_source() const { return delete_source_; }
   void set_delete_source(bool val) { delete_source_ = val; }
 
   bool allow_silent_install() const { return allow_silent_install_; }
   void set_allow_silent_install(bool val) { allow_silent_install_ = val; }
 
   bool is_gallery_install() const {
     return (creation_flags_ & extensions::Extension::FROM_WEBSTORE) > 0;
@@ skipping 209 matching lines @@
   // indicate to the client whether the file should be removed and any UI
   // initiating the installation can be removed. This is different than whether
   // there was an error; if there was an error that rejects installation we
   // still consider the installation 'handled'.
   bool did_handle_successfully_;
 
   DISALLOW_COPY_AND_ASSIGN(CrxInstaller);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_