Added function to provide the short board name of the device

base/sys_info.h

Index: base/sys_info.h
diff --git a/base/sys_info.h b/base/sys_info.h
index b10747703d230fab880732bd23ba08e6661c61f8..4681b55514d86e25358f2d324ea8b6b0de7cd283 100644
--- a/base/sys_info.h
+++ b/base/sys_info.h
@@ -110,6 +110,10 @@ class BASE_EXPORT SysInfo {
   // Returns "unknown" if CHROMEOS_RELEASE_BOARD is not set.
   static std::string GetLsbReleaseBoard();
 
+  // Convenience function for GetLsbReleaseBoard() removing "-signed.." if
+  // present. Returns "unknown" if CHROMEOS_RELEASE_BOARD is not set.
+  static std::string GetStrippedReleaseBoard();
+
   // Returns the creation time of /etc/lsb-release. (Used to get the date and
   // time of the Chrome OS build).
   static Time GetLsbReleaseTime();