Fixed file_version_info so that it finds Mac values correctly.

chrome/common/extensions/extension.cc

 // Copyright (c) 2010 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/common/extensions/extension.h"
 
 #include <algorithm>
 
 #include "app/l10n_util.h"
 #include "base/base64.h"
@@ skipping 1326 matching lines @@
     }
 
     scoped_ptr<Version> minimum_version(
         Version::GetVersionFromString(minimum_version_string));
     if (!minimum_version.get()) {
       *error = errors::kInvalidMinimumChromeVersion;
       return false;
     }
 
     chrome::VersionInfo current_version_info;
-    if (!current_version_info.is_valid()) {
-      NOTREACHED();
-      return false;
-    }
-
     scoped_ptr<Version> current_version(
         Version::GetVersionFromString(current_version_info.Version()));
     if (!current_version.get()) {
       DCHECK(false);
       return false;
     }
 
     if (current_version->CompareTo(*minimum_version) < 0) {
       *error = ExtensionErrorUtils::FormatErrorMessage(
           errors::kChromeVersionTooLow,
@@ skipping 893 matching lines @@
 UninstalledExtensionInfo::UninstalledExtensionInfo(
     const Extension& extension)
     : extension_id(extension.id()),
       extension_api_permissions(extension.api_permissions()),
       is_theme(extension.is_theme()),
       is_app(extension.is_app()),
       converted_from_user_script(extension.converted_from_user_script()),
       update_url(extension.update_url()) {}
 
 UninstalledExtensionInfo::~UninstalledExtensionInfo() {}