Convert //components/[o-t]* from scoped_ptr to std::unique_ptr

components/ownership/owner_settings_service.cc

Index: components/ownership/owner_settings_service.cc
diff --git a/components/ownership/owner_settings_service.cc b/components/ownership/owner_settings_service.cc
index 49905941ed898d39c8480e73f3b86b8b040577ee..e760cb5a87d79eae5417a2e2490201d8e899b446 100644
--- a/components/ownership/owner_settings_service.cc
+++ b/components/ownership/owner_settings_service.cc
@@ -25,19 +25,19 @@ namespace ownership {
 
 namespace {
 
-using ScopedSGNContext =
-    scoped_ptr<SGNContext,
-               crypto::NSSDestroyer1<SGNContext, SGN_DestroyContext, PR_TRUE>>;
+using ScopedSGNContext = std::unique_ptr<
+    SGNContext,
+    crypto::NSSDestroyer1<SGNContext, SGN_DestroyContext, PR_TRUE>>;
 
-scoped_ptr<em::PolicyFetchResponse> AssembleAndSignPolicy(
-    scoped_ptr<em::PolicyData> policy,
+std::unique_ptr<em::PolicyFetchResponse> AssembleAndSignPolicy(
+    std::unique_ptr<em::PolicyData> policy,
     SECKEYPrivateKey* private_key) {
   // Assemble the policy.
-  scoped_ptr<em::PolicyFetchResponse> policy_response(
+  std::unique_ptr<em::PolicyFetchResponse> policy_response(
       new em::PolicyFetchResponse());
   if (!policy->SerializeToString(policy_response->mutable_policy_data())) {
     LOG(ERROR) << "Failed to encode policy payload.";
-    return scoped_ptr<em::PolicyFetchResponse>(nullptr);
+    return nullptr;
   }
 
   ScopedSGNContext sign_context(
@@ -102,7 +102,7 @@ void OwnerSettingsService::IsOwnerAsync(const IsOwnerCallback& callback) {
 
 bool OwnerSettingsService::AssembleAndSignPolicyAsync(
     base::TaskRunner* task_runner,
-    scoped_ptr<em::PolicyData> policy,
+    std::unique_ptr<em::PolicyData> policy,
     const AssembleAndSignPolicyAsyncCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!task_runner || !IsOwner())