Remove two deprecated methods from base::Version

chrome/installer/util/install_util.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.
 //
 // This file declares utility functions for the installer. The original reason
 // for putting these functions in installer\util library is so that we can
 // separate out the critical logic and write unit tests for it.
 
 #ifndef CHROME_INSTALLER_UTIL_INSTALL_UTIL_H_
 #define CHROME_INSTALLER_UTIL_INSTALL_UTIL_H_
@@ skipping 21 matching lines @@
   static bool ExecuteExeAsAdmin(const CommandLine& cmd, DWORD* exit_code);
 
   // Reads the uninstall command for Chromium from registry and returns it.
   // If system_install is true the command is read from HKLM, otherwise
   // from HKCU.
   static CommandLine GetChromeUninstallCmd(
       bool system_install,
       BrowserDistribution::Type distribution_type);
 
   // Find the version of Chrome installed on the system by checking the
-  // Google Update registry key. Returns the version or NULL if no version is
-  // found.
+  // Google Update registry key. Fills |version| with the version or a
+  // default-constructed Version if no version is found.
   // system_install: if true, looks for version number under the HKLM root,
   //                 otherwise looks under the HKCU.
-  static Version* GetChromeVersion(BrowserDistribution* dist,
-                                   bool system_install);
+  static void GetChromeVersion(BrowserDistribution* dist,
+                               bool system_install,
+                               Version* version);
 
-  // Find the last critical update (version) of Chrome. Returns the version or
-  // NULL if no such version is found. A critical update is a specially flagged
-  // version (by Google Update) that contains an important security fix.
+  // Find the last critical update (version) of Chrome. Fills |version| with the
+  // version or a default-constructed Version if no version is found. A critical
+  // update is a specially flagged version (by Google Update) that contains an
+  // important security fix.
   // system_install: if true, looks for version number under the HKLM root,
   //                 otherwise looks under the HKCU.
-  static Version* GetCriticalUpdateVersion(BrowserDistribution* dist,
-                                           bool system_install);
+  static void GetCriticalUpdateVersion(BrowserDistribution* dist,
+                                       bool system_install,
+                                       Version* version);
 
   // This function checks if the current OS is supported for Chromium.
   static bool IsOSSupported();
 
   // Adds work items to |install_list|, which should be a
   // NoRollbackWorkItemList, to set installer error information in the registry
   // for consumption by Google Update.  |state_key| must be the full path to an
   // app's ClientState key.  See InstallerState::WriteInstallerResult for more
   // details.
   static void AddInstallerResultItems(bool system_install,
@@ skipping 119 matching lines @@
    private:
     DISALLOW_COPY_AND_ASSIGN(ProgramCompare);
   };  // class ProgramCompare
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InstallUtil);
 };
 
 
 #endif  // CHROME_INSTALLER_UTIL_INSTALL_UTIL_H_