Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/settings/device_settings_provider.cc

Index: chrome/browser/chromeos/settings/device_settings_provider.cc
diff --git a/chrome/browser/chromeos/settings/device_settings_provider.cc b/chrome/browser/chromeos/settings/device_settings_provider.cc
index 5c97df74ee1efa1955916ef000cb491faaedee1a..bb5b2404673acb78bb38f4860ee4d236bf8eb95b 100644
--- a/chrome/browser/chromeos/settings/device_settings_provider.cc
+++ b/chrome/browser/chromeos/settings/device_settings_provider.cc
@@ -162,7 +162,7 @@ void DecodeLoginPolicies(
       policy.ephemeral_users_enabled().has_ephemeral_users_enabled() &&
       policy.ephemeral_users_enabled().ephemeral_users_enabled());
 
-  scoped_ptr<base::ListValue> list(new base::ListValue());
+  std::unique_ptr<base::ListValue> list(new base::ListValue());
   const em::UserWhitelistProto& whitelist_proto = policy.user_whitelist();
   const RepeatedPtrField<std::string>& whitelist =
       whitelist_proto.user_whitelist();
@@ -172,14 +172,15 @@ void DecodeLoginPolicies(
   }
   new_values_cache->SetValue(kAccountsPrefUsers, std::move(list));
 
-  scoped_ptr<base::ListValue> account_list(new base::ListValue());
+  std::unique_ptr<base::ListValue> account_list(new base::ListValue());
   const em::DeviceLocalAccountsProto device_local_accounts_proto =
       policy.device_local_accounts();
   const RepeatedPtrField<em::DeviceLocalAccountInfoProto>& accounts =
       device_local_accounts_proto.account();
   RepeatedPtrField<em::DeviceLocalAccountInfoProto>::const_iterator entry;
   for (entry = accounts.begin(); entry != accounts.end(); ++entry) {
-    scoped_ptr<base::DictionaryValue> entry_dict(new base::DictionaryValue());
+    std::unique_ptr<base::DictionaryValue> entry_dict(
+        new base::DictionaryValue());
     if (entry->has_type()) {
       if (entry->has_account_id()) {
         entry_dict->SetStringWithoutPathExpansion(
@@ -232,7 +233,7 @@ void DecodeLoginPolicies(
       policy.device_local_accounts().prompt_for_network_when_offline());
 
   if (policy.has_start_up_flags()) {
-    scoped_ptr<base::ListValue> list(new base::ListValue());
+    std::unique_ptr<base::ListValue> list(new base::ListValue());
     const em::StartUpFlagsProto& flags_proto = policy.start_up_flags();
     const RepeatedPtrField<std::string>& flags = flags_proto.flags();
     for (RepeatedPtrField<std::string>::const_iterator it = flags.begin();
@@ -294,7 +295,7 @@ void DecodeAutoUpdatePolicies(
     }
     const RepeatedField<int>& allowed_connection_types =
         au_settings_proto.allowed_connection_types();
-    scoped_ptr<base::ListValue> list(new base::ListValue());
+    std::unique_ptr<base::ListValue> list(new base::ListValue());
     for (RepeatedField<int>::const_iterator i(allowed_connection_types.begin());
          i != allowed_connection_types.end(); ++i) {
       list->Append(new base::FundamentalValue(*i));
@@ -603,7 +604,7 @@ void DeviceSettingsProvider::OwnershipStatusChanged() {
       device_settings_.Swap(&new_settings);
     }
 
-    scoped_ptr<em::PolicyData> policy(new em::PolicyData());
+    std::unique_ptr<em::PolicyData> policy(new em::PolicyData());
     policy->set_username(device_settings_service_->GetUsername());
     CHECK(device_settings_.SerializeToString(policy->mutable_policy_value()));
     if (!device_settings_service_->GetOwnerSettingsService()