Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/common/permissions/settings_override_permission.cc

Index: extensions/common/permissions/settings_override_permission.cc
diff --git a/extensions/common/permissions/settings_override_permission.cc b/extensions/common/permissions/settings_override_permission.cc
index 69318d829392a26583bb2d6e52edb06856a5d42a..4c7c421493771b73cddabc189cacacbc13e87071 100644
--- a/extensions/common/permissions/settings_override_permission.cc
+++ b/extensions/common/permissions/settings_override_permission.cc
@@ -4,6 +4,9 @@
 
 #include "extensions/common/permissions/settings_override_permission.h"
 
+#include <memory>
+
+#include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "extensions/common/permissions/api_permission_set.h"
 #include "grit/extensions_strings.h"
@@ -51,8 +54,8 @@ bool SettingsOverrideAPIPermission::FromValue(
   return value && value->GetAsString(&setting_value_);
 }
 
-scoped_ptr<base::Value> SettingsOverrideAPIPermission::ToValue() const {
-  return make_scoped_ptr(new base::StringValue(setting_value_));
+std::unique_ptr<base::Value> SettingsOverrideAPIPermission::ToValue() const {
+  return base::WrapUnique(new base::StringValue(setting_value_));
 }
 
 APIPermission* SettingsOverrideAPIPermission::Clone() const {