Move power_supply_status.* from src/ash to src/chromeos

ash/shell.cc

Index: ash/shell.cc
diff --git a/ash/shell.cc b/ash/shell.cc
index 194c4e528739bdc61b63442956bb356a40a99977..63de0d8efa9537a58b2c50aeaab07ccf61b22930 100644
--- a/ash/shell.cc
+++ b/ash/shell.cc
@@ -28,7 +28,6 @@
 #include "ash/system/ime/tray_ime.h"
 #include "ash/system/network/tray_network.h"
 #include "ash/system/power/power_status_observer.h"
-#include "ash/system/power/power_supply_status.h"
 #include "ash/system/power/tray_power.h"
 #include "ash/system/settings/tray_settings.h"
 #include "ash/system/tray/system_tray_delegate.h"
@@ -67,6 +66,7 @@
 #include "ash/wm/workspace/workspace_manager.h"
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "chromeos/dbus/power_supply_status.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/aura/client/aura_constants.h"
@@ -295,8 +295,8 @@ class DummySystemTrayDelegate : public SystemTrayDelegate {
     return base::k24HourClock;
   }
 
-  virtual PowerSupplyStatus GetPowerSupplyStatus() const OVERRIDE {
-    return PowerSupplyStatus();
+  virtual chromeos::PowerSupplyStatus GetPowerSupplyStatus() const OVERRIDE {
+    return chromeos::PowerSupplyStatus();
   }
 
   virtual void ShowSettings() OVERRIDE {