Getting OS version numbers for Linux.

base/sys_info.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 BASE_SYS_INFO_H_
 #define BASE_SYS_INFO_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 62 matching lines @@
   // Android, and Chrome OS. This returns an empty string on other platforms.
   static std::string HardwareModelName();
 
   // Returns the name of the host operating system.
   static std::string OperatingSystemName();
 
   // Returns the version of the host operating system.
   static std::string OperatingSystemVersion();
 
   // Retrieves detailed numeric values for the OS version.
-  // TODO(port): Implement a Linux version of this method and enable the
-  // corresponding unit test.
   // DON'T USE THIS ON THE MAC OR WINDOWS to determine the current OS release
   // for OS version-specific feature checks and workarounds. If you must use
   // an OS version check instead of a feature check, use the base::mac::IsOS*
   // family from base/mac/mac_util.h, or base::win::GetVersion from
   // base/win/windows_version.h.
   static void OperatingSystemVersionNumbers(int32_t* major_version,
                                             int32_t* minor_version,
                                             int32_t* bugfix_version);
 
   // Returns the architecture of the running operating system.
@@ skipping 69 matching lines @@
 
 #if defined(OS_LINUX) || defined(OS_ANDROID)
   static int64_t AmountOfAvailablePhysicalMemory(
       const SystemMemoryInfoKB& meminfo);
 #endif
 };
 
 }  // namespace base
 
 #endif  // BASE_SYS_INFO_H_