Implemented a "Last Updated" field for the about page of Chrome OS.

base/sys_info.h

Index: base/sys_info.h
diff --git a/base/sys_info.h b/base/sys_info.h
index f3677d6009f0e67147642c54a470fb3c97a3bde2..8669026d92e7548bf49a4449f1454104c981f681 100644
--- a/base/sys_info.h
+++ b/base/sys_info.h
@@ -8,6 +8,7 @@
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
+#include "base/time.h"
 
 #include <string>
 
@@ -74,6 +75,13 @@ class BASE_EXPORT SysInfo {
                               int32* major_version,
                               int32* minor_version,
                               int32* bugfix_version);
+
+  // Retrieves the approximate time that Chrome OS was last updated. Each time
+  // a new build is created, /etc/lsb-release is modified with the new version
+  // numbers of the release. We return the time at which that file was last

[James Hawkins, 2012/04/13 03:36:17]

nit: Don't use pronouns, e.g. 'we', in comments; pronouns are ambiguous.

[Kyle Horimoto, 2012/04/13 18:12:38]

Done.

+  // modified, which is a close approximation to the time the last Chrome OS
+  // update occurred.
+  static bool GetTimeLastUpdated(base::Time* time);

[James Hawkins, 2012/04/13 03:36:17]

nit: Document |time|.

[Kyle Horimoto, 2012/04/13 18:12:38]

Done.

 #endif

[James Hawkins, 2012/04/13 03:36:17]

#endif  // defined(OS_CHROMEOS)

[Kyle Horimoto, 2012/04/13 18:12:38]

Done.

 };