Convert //extensions/renderer from scoped_ptr to std::unique_ptr

extensions/renderer/test_features_native_handler.cc

Index: extensions/renderer/test_features_native_handler.cc
diff --git a/extensions/renderer/test_features_native_handler.cc b/extensions/renderer/test_features_native_handler.cc
index 3b98c8e1e0d06623f2804dbf541bf5ae3f4de7d9..3ecde95a42b392e022482a31013f7810daad2f00 100644
--- a/extensions/renderer/test_features_native_handler.cc
+++ b/extensions/renderer/test_features_native_handler.cc
@@ -21,9 +21,9 @@ TestFeaturesNativeHandler::TestFeaturesNativeHandler(ScriptContext* context)
 
 void TestFeaturesNativeHandler::GetAPIFeatures(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
-  scoped_ptr<JSONFeatureProviderSource> source(
+  std::unique_ptr<JSONFeatureProviderSource> source(
       ExtensionsClient::Get()->CreateFeatureProviderSource("api"));
-  scoped_ptr<content::V8ValueConverter> converter(
+  std::unique_ptr<content::V8ValueConverter> converter(
       content::V8ValueConverter::create());
   args.GetReturnValue().Set(
       converter->ToV8Value(&source->dictionary(), context()->v8_context()));