Move IsRunningOnChromeOS to SysInfo

ash/accelerators/accelerator_controller.cc

Index: ash/accelerators/accelerator_controller.cc
diff --git a/ash/accelerators/accelerator_controller.cc b/ash/accelerators/accelerator_controller.cc
index aa4786d5fa228b4ebf0f6c4eff3c7b63d044901d..8b3d722f9c1953c54e41d20f7c395860cfc4d42e 100644
--- a/ash/accelerators/accelerator_controller.cc
+++ b/ash/accelerators/accelerator_controller.cc
@@ -70,7 +70,7 @@
 
 #if defined(OS_CHROMEOS)
 #include "ash/system/chromeos/keyboard_brightness_controller.h"
-#include "base/chromeos/chromeos_version.h"
+#include "base/sys_info.h"
 #endif  // defined(OS_CHROMEOS)
 
 namespace ash {
@@ -910,7 +910,7 @@ bool AcceleratorController::PerformAction(int action,
     case POWER_PRESSED:  // fallthrough
     case POWER_RELEASED:
 #if defined(OS_CHROMEOS)
-      if (!base::chromeos::IsRunningOnChromeOS()) {
+      if (!base::SysInfo::IsRunningOnChromeOS()) {
         // There is no powerd in linux desktop, so call the
         // PowerButtonController here.
         Shell::GetInstance()->power_button_controller()->