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

extensions/renderer/api_activity_logger.cc

Index: extensions/renderer/api_activity_logger.cc
diff --git a/extensions/renderer/api_activity_logger.cc b/extensions/renderer/api_activity_logger.cc
index e78c27452f15e2eba36d8c8bce72c436834d069f..ab4c67e4dc34b5e45f909ac0bf3f4611bda28232 100644
--- a/extensions/renderer/api_activity_logger.cc
+++ b/extensions/renderer/api_activity_logger.cc
@@ -56,11 +56,11 @@ void APIActivityLogger::LogInternal(
   // Get the array of api call arguments.
   v8::Local<v8::Array> arg_array = v8::Local<v8::Array>::Cast(args[2]);
   if (arg_array->Length() > 0) {
-    scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
+    std::unique_ptr<V8ValueConverter> converter(V8ValueConverter::create());
     ActivityLogConverterStrategy strategy;
     converter->SetFunctionAllowed(true);
     converter->SetStrategy(&strategy);
-    scoped_ptr<base::ListValue> arg_list(new base::ListValue());
+    std::unique_ptr<base::ListValue> arg_list(new base::ListValue());
     for (size_t i = 0; i < arg_array->Length(); ++i) {
       arg_list->Set(
           i,