Convert //extensions/browser/api from scoped_ptr to std::unique_ptr

extensions/browser/api/declarative/rules_registry.cc

Index: extensions/browser/api/declarative/rules_registry.cc
diff --git a/extensions/browser/api/declarative/rules_registry.cc b/extensions/browser/api/declarative/rules_registry.cc
index ffbcb7f896b1edabd06c96f39002de90137480c4..fd77d4646ff67579f69a5158e7e89465fef7c725 100644
--- a/extensions/browser/api/declarative/rules_registry.cc
+++ b/extensions/browser/api/declarative/rules_registry.cc
@@ -38,9 +38,9 @@ const char kDuplicateRuleId[] = "Duplicate rule ID: %s";
 const char kErrorCannotRemoveManifestRules[] =
     "Rules declared in the 'event_rules' manifest field cannot be removed";
 
-scoped_ptr<base::Value> RulesToValue(
+std::unique_ptr<base::Value> RulesToValue(
     const std::vector<linked_ptr<api::events::Rule>>& rules) {
-  scoped_ptr<base::ListValue> list(new base::ListValue());
+  std::unique_ptr<base::ListValue> list(new base::ListValue());
   for (size_t i = 0; i < rules.size(); ++i)
     list->Append(rules[i]->ToValue().release());
   return std::move(list);
@@ -297,9 +297,8 @@ size_t RulesRegistry::GetNumberOfUsedRuleIdentifiersForTesting() const {
   return entry_count;
 }
 
-void RulesRegistry::DeserializeAndAddRules(
-    const std::string& extension_id,
-    scoped_ptr<base::Value> rules) {
+void RulesRegistry::DeserializeAndAddRules(const std::string& extension_id,
+                                           std::unique_ptr<base::Value> rules) {
   DCHECK_CURRENTLY_ON(owner_thread());
 
   std::string error =
@@ -310,7 +309,7 @@ void RulesRegistry::DeserializeAndAddRules(
 
 void RulesRegistry::ReportInternalError(const std::string& extension_id,
                                         const std::string& error) {
-  scoped_ptr<ExtensionError> error_instance(new InternalError(
+  std::unique_ptr<ExtensionError> error_instance(new InternalError(
       extension_id, base::ASCIIToUTF16(error), logging::LOG_ERROR));
   ExtensionsBrowserClient::Get()->ReportError(browser_context_,
                                               std::move(error_instance));