Added function to provide the short board name of the device

components/metrics/drive_metrics_provider_linux.cc

Index: components/metrics/drive_metrics_provider_linux.cc
diff --git a/components/metrics/drive_metrics_provider_linux.cc b/components/metrics/drive_metrics_provider_linux.cc
index 35c505a3492b945e814f7f4861f61478bf7c43a3..827374790bf14f44765c33b21fbdd8dec0b0a428 100644
--- a/components/metrics/drive_metrics_provider_linux.cc
+++ b/components/metrics/drive_metrics_provider_linux.cc
@@ -33,7 +33,7 @@ const char kRotationalFormat[] = "/sys/block/sd%c/queue/rotational";
 bool DriveMetricsProvider::HasSeekPenalty(const base::FilePath& path,
                                           bool* has_seek_penalty) {
 #if defined(OS_CHROMEOS)

[Thiemo Nagel, 2016/11/23 20:21:19]

There's parrot, parrot_ivb and parrot_freon.  Which of them have rotating disks?

[Dan Beam, 2016/11/23 21:18:37]

¯\_(ツ)_/¯

maybe use StartsWith()?

[igorcov, 2016/11/25 11:08:59]

Done.

-  std::string board = base::SysInfo::GetLsbReleaseBoard();
+  std::string board = base::SysInfo::GetStrippedReleaseBoard();
   if (board != "unknown" && board != "parrot") {
     // All ChromeOS devices have SSDs. Except some parrots.
     *has_seek_penalty = false;