Add support for public account policy to CloudPolicyClient.

chrome/browser/policy/mock_cloud_policy_store.h

Index: chrome/browser/policy/mock_cloud_policy_store.h
diff --git a/chrome/browser/policy/mock_cloud_policy_store.h b/chrome/browser/policy/mock_cloud_policy_store.h
index 5298c06db86986bd4bb722b6a8f7746adf277e7a..5418596363b278e857ee2932bd9097e0c2e56bea 100644
--- a/chrome/browser/policy/mock_cloud_policy_store.h
+++ b/chrome/browser/policy/mock_cloud_policy_store.h
@@ -30,6 +30,18 @@ class MockCloudPolicyStore : public CloudPolicyStore {
   DISALLOW_COPY_AND_ASSIGN(MockCloudPolicyStore);
 };
 
+class MockCloudPolicyStoreObserver : public CloudPolicyStore::Observer {
+ public:
+  MockCloudPolicyStoreObserver();
+  virtual ~MockCloudPolicyStoreObserver();
+
+  MOCK_METHOD1(OnStoreLoaded, void(CloudPolicyStore* store));
+  MOCK_METHOD1(OnStoreError, void(CloudPolicyStore* store));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockCloudPolicyStoreObserver);
+};
+
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_MOCK_CLOUD_POLICY_STORE_H_