Replace kChromeOSReleaseBoard with SysInfo::GetLsbReleaseBoard()

sync/util/get_session_name.cc

Index: sync/util/get_session_name.cc
diff --git a/sync/util/get_session_name.cc b/sync/util/get_session_name.cc
index d51c93e54e63676f5d069bb34f655f7b5baf6d80..3a09c51379d393d168fa0fe1d91bb253b81ed1ca 100644
--- a/sync/util/get_session_name.cc
+++ b/sync/util/get_session_name.cc
@@ -11,10 +11,7 @@
 #include "base/sys_info.h"
 #include "base/task_runner.h"
 
-#if defined(OS_CHROMEOS)
-#include "base/command_line.h"
-#include "chromeos/chromeos_switches.h"
-#elif defined(OS_LINUX)
+#if defined(OS_LINUX)
 #include "sync/util/get_session_name_linux.h"
 #elif defined(OS_IOS)
 #include "sync/util/get_session_name_ios.h"
@@ -33,27 +30,7 @@ namespace {
 std::string GetSessionNameSynchronously() {
   std::string session_name;
 #if defined(OS_CHROMEOS)
-  // The approach below is similar to that used by the CrOs implementation of
-  // StatisticsProvider::GetMachineStatistic(CHROMEOS_RELEASE_BOARD).
-  // See chromeos/system/statistics_provider.{h|cc}.
-  //
-  // We cannot use StatisticsProvider here because of the mutual dependency
-  // it creates between sync.gyp:sync and chrome.gyp:browser.
-  //
-  // Even though this code is ad hoc and fragile, it remains the only means of
-  // determining the Chrome OS hardware platform so we can display the right
-  // device name in the "Other devices" section of the new tab page.
-  // TODO(rsimha): Change this once a better alternative is available.
-  // See http://crbug.com/126732.
-  std::string board;
-  const CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(chromeos::switches::kChromeOSReleaseBoard)) {
-    board = command_line->
-        GetSwitchValueASCII(chromeos::switches::kChromeOSReleaseBoard);
-  } else {
-    LOG(ERROR) << "Failed to get board information";
-  }
-
+  std::string board = base::SysInfo::GetLsbReleaseBoard();
   // Currently, only "stumpy" type of board is considered Chromebox, and
   // anything else is Chromebook.  On these devices, session_name should look
   // like "stumpy-signed-mp-v2keys" etc. The information can be checked on