Convert //components/policy from scoped_ptr to std::unique_ptr

components/policy/core/common/cloud/user_cloud_policy_store.h

Index: components/policy/core/common/cloud/user_cloud_policy_store.h
diff --git a/components/policy/core/common/cloud/user_cloud_policy_store.h b/components/policy/core/common/cloud/user_cloud_policy_store.h
index 73c87fe1abe0a047559675529dcfe55176cdd9eb..52739f332076b49e27d70dbe7b75e1989f171f6d 100644
--- a/components/policy/core/common/cloud/user_cloud_policy_store.h
+++ b/components/policy/core/common/cloud/user_cloud_policy_store.h
@@ -37,7 +37,7 @@ class POLICY_EXPORT UserCloudPolicyStore : public UserCloudPolicyStoreBase {
 
   // Factory method for creating a UserCloudPolicyStore for a profile with path
   // |profile_path|.
-  static scoped_ptr<UserCloudPolicyStore> Create(
+  static std::unique_ptr<UserCloudPolicyStore> Create(
       const base::FilePath& profile_path,
       const std::string& verification_key,
       scoped_refptr<base::SequencedTaskRunner> background_task_runner);
@@ -75,8 +75,8 @@ class POLICY_EXPORT UserCloudPolicyStore : public UserCloudPolicyStoreBase {
   // occurs on a background thread (results are sent back to the calling
   // thread).
   void Validate(
-      scoped_ptr<enterprise_management::PolicyFetchResponse> policy,
-      scoped_ptr<enterprise_management::PolicySigningKey> key,
+      std::unique_ptr<enterprise_management::PolicyFetchResponse> policy,
+      std::unique_ptr<enterprise_management::PolicySigningKey> key,
       const std::string& verification_key,
       bool validate_in_background,
       const UserCloudPolicyValidator::CompletionCallback& callback);