Add policies to control power management on the Chrome OS login screen

chrome/browser/policy/mock_policy_service.h

Index: chrome/browser/policy/mock_policy_service.h
diff --git a/chrome/browser/policy/mock_policy_service.h b/chrome/browser/policy/mock_policy_service.h
index 31caa360b28b966d8541e6f79744fc8d10f4e9ec..953ce2d8bf03b361e446a5f903ee40298a3d6a11 100644
--- a/chrome/browser/policy/mock_policy_service.h
+++ b/chrome/browser/policy/mock_policy_service.h
@@ -11,10 +11,21 @@
 
 namespace policy {
 
+class MockPolicyServiceObserver : public PolicyService::Observer {
+ public:
+  MockPolicyServiceObserver();
+  virtual ~MockPolicyServiceObserver();
+
+  MOCK_METHOD3(OnPolicyUpdated, void(const PolicyNamespace&,
+                                     const PolicyMap& previous,
+                                     const PolicyMap& current));
+  MOCK_METHOD1(OnPolicyServiceInitialized, void(PolicyDomain));
+};
+
 class MockPolicyService : public PolicyService {
  public:
   MockPolicyService();
-  ~MockPolicyService();
+  virtual ~MockPolicyService();
 
   MOCK_METHOD2(AddObserver, void(PolicyDomain, Observer*));
   MOCK_METHOD2(RemoveObserver, void(PolicyDomain, Observer*));