Remove ash_util namespace

chrome/browser/ui/webui/options/chromeos/power_handler.cc

Index: chrome/browser/ui/webui/options/chromeos/power_handler.cc
diff --git a/chrome/browser/ui/webui/options/chromeos/power_handler.cc b/chrome/browser/ui/webui/options/chromeos/power_handler.cc
index 47f981fdcb2eb39598820801019ae649cda79342..3d7286200096fdca98cd4ae3736b80945ef37121 100644
--- a/chrome/browser/ui/webui/options/chromeos/power_handler.cc
+++ b/chrome/browser/ui/webui/options/chromeos/power_handler.cc
@@ -28,10 +28,10 @@ namespace options {
 
 PowerHandler::PowerHandler() {
   // TODO(mash): Support Chrome power settings in Mash. crbug.com/644348
-  this->show_power_status_ = !ash_util::IsRunningInMash() &&
-                             (switches::PowerOverlayEnabled() ||
-                              (PowerStatus::Get()->IsBatteryPresent() &&
-                               PowerStatus::Get()->SupportsDualRoleDevices()));
+  this->show_power_status_ =
+      !IsRunningInMash() && (switches::PowerOverlayEnabled() ||
+                             (PowerStatus::Get()->IsBatteryPresent() &&
+                              PowerStatus::Get()->SupportsDualRoleDevices()));
 }
 
 PowerHandler::~PowerHandler() {