diff --git a/dom/power/Makefile.in b/dom/power/Makefile.in
index b5a663bae78..0cb7635960d 100644
--- a/dom/power/Makefile.in
+++ b/dom/power/Makefile.in
@@ -68,4 +68,6 @@ ifdef ENABLE_TESTS
 DIRS += test
 endif
 
+include $(topsrcdir)/config/config.mk
+include $(topsrcdir)/ipc/chromium/chromium-config.mk
 include $(topsrcdir)/config/rules.mk
diff --git a/dom/power/PowerManager.cpp b/dom/power/PowerManager.cpp
index 4ab6cbdc59b..b0196f2070a 100644
--- a/dom/power/PowerManager.cpp
+++ b/dom/power/PowerManager.cpp
@@ -35,9 +35,11 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-#include "nsDOMClassInfoID.h"
-
 #include "PowerManager.h"
+#include "nsContentUtils.h"
+#include "nsDOMClassInfoID.h"
+#include "nsIPowerManagerService.h"
+#include "nsServiceManagerUtils.h"
 
 DOMCI_DATA(MozPowerManager, mozilla::dom::power::PowerManager)
 
@@ -57,13 +59,29 @@ NS_IMPL_RELEASE(PowerManager)
 NS_IMETHODIMP
 PowerManager::Reboot()
 {
-  return NS_ERROR_NOT_IMPLEMENTED;
+  NS_ENSURE_TRUE(nsContentUtils::IsCallerChrome(), NS_ERROR_DOM_SECURITY_ERR);
+
+  nsCOMPtr<nsIPowerManagerService> pmService =
+    do_GetService(POWERMANAGERSERVICE_CONTRACTID);
+  NS_ENSURE_TRUE(pmService, NS_OK);
+
+  pmService->Reboot();
+
+  return NS_OK;
 }
 
 NS_IMETHODIMP
 PowerManager::PowerOff()
 {
-  return NS_ERROR_NOT_IMPLEMENTED;
+  NS_ENSURE_TRUE(nsContentUtils::IsCallerChrome(), NS_ERROR_DOM_SECURITY_ERR);
+
+  nsCOMPtr<nsIPowerManagerService> pmService =
+    do_GetService(POWERMANAGERSERVICE_CONTRACTID);
+  NS_ENSURE_TRUE(pmService, NS_OK);
+
+  pmService->PowerOff();
+
+  return NS_OK;
 }
 
 } // power
diff --git a/dom/power/PowerManagerService.cpp b/dom/power/PowerManagerService.cpp
index 902b4dbba56..6cd0092eb7b 100644
--- a/dom/power/PowerManagerService.cpp
+++ b/dom/power/PowerManagerService.cpp
@@ -35,6 +35,7 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
+#include "mozilla/Hal.h"
 #include "PowerManagerService.h"
 
 namespace mozilla {
@@ -56,13 +57,15 @@ PowerManagerService::GetInstance()
 NS_IMETHODIMP
 PowerManagerService::Reboot()
 {
-  return NS_ERROR_NOT_IMPLEMENTED;
+  hal::Reboot();
+  return NS_OK;
 }
 
 NS_IMETHODIMP
 PowerManagerService::PowerOff()
 {
-  return NS_ERROR_NOT_IMPLEMENTED;
+  hal::PowerOff();
+  return NS_OK;
 }
 
 } // power