Remove two deprecated methods from base::Version

chrome/browser/extensions/crx_installer.cc

 // 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.
 
 #include "chrome/browser/extensions/crx_installer.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 455 matching lines @@
   NotifyCrxInstallComplete(NULL);
 
   // We're done. Since we don't post any more tasks to ourself, our ref count
   // should go to zero and we die. The destructor will clean up the temp dir.
 }
 
 void CrxInstaller::CompleteInstall() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   if (!current_version_.empty()) {
-    scoped_ptr<Version> current_version(
-        Version::GetVersionFromString(current_version_));
-    if (current_version->CompareTo(*(extension_->version())) > 0) {
+    Version current_version(current_version_);
+    if (current_version.CompareTo(*(extension_->version())) > 0) {
       ReportFailureFromFileThread(
           CrxInstallerError(
               l10n_util::GetStringUTF16(IDS_EXTENSION_CANT_DOWNGRADE_VERSION)));
       return;
     }
   }
 
   // See how long extension install paths are.  This is important on
   // windows, because file operations may fail if the path to a file
   // exceeds a small constant.  See crbug.com/69693 .
@@ skipping 123 matching lines @@
   // Some users (such as the download shelf) need to know when a
   // CRXInstaller is done.  Listening for the EXTENSION_* events
   // is problematic because they don't know anything about the
   // extension before it is unpacked, so they cannot filter based
   // on the extension.
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_CRX_INSTALLER_DONE,
       content::Source<CrxInstaller>(this),
       content::Details<const Extension>(extension));
 }