Support 32-bit subversion fields in base::Version.

chrome/installer/test/alternate_version_generator.cc

 // Copyright (c) 2011 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.
 
 // The file contains the implementation of the mini_installer re-versioner.
 // The main function (GenerateNextVersion) does the following in a temp dir:
 // - Extracts and unpacks setup.exe and the Chrome-bin folder from
 //   mini_installer.exe.
 // - Inspects setup.exe to determine the current version.
 // - Runs through all .dll and .exe files:
@@ skipping 93 matching lines @@
 // A helper class for manipulating a Chrome product version.
 class ChromeVersion {
  public:
   static ChromeVersion FromHighLow(DWORD high, DWORD low) {
     return ChromeVersion(static_cast<ULONGLONG>(high) << 32 |
                          static_cast<ULONGLONG>(low));
   }
   static ChromeVersion FromString(const std::string& version_string) {
     Version version(version_string);
     DCHECK(version.IsValid());
-    const std::vector<uint16>& c(version.components());
+    const std::vector<uint32>& c(version.components());
     return ChromeVersion(static_cast<ULONGLONG>(c[0]) << 48 |
                          static_cast<ULONGLONG>(c[1]) << 32 |
                          static_cast<ULONGLONG>(c[2]) << 16 |
                          static_cast<ULONGLONG>(c[3]));
   }
 
   ChromeVersion() { }
   explicit ChromeVersion(ULONGLONG value) : version_(value) { }
   WORD major() const { return static_cast<WORD>(version_ >> 48); }
   WORD minor() const { return static_cast<WORD>(version_ >> 32); }
@@ skipping 566 matching lines @@
     return false;
   }
   ctx.current_version_str = ctx.current_version.ToString();
   ctx.new_version = ChromeVersion::FromString(version.GetString());
   ctx.new_version_str = ctx.new_version.ToString();
 
   return UpdateVersionIfMatch(target_file, &ctx);
 }
 
 }  // namespace upgrade_test