[Extensions Bindings] Add ChromeSetting custom type

extensions/renderer/storage_area.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/renderer/storage_area.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "extensions/common/api/storage.h"
 #include "extensions/renderer/api_request_handler.h"
@@ skipping 135 matching lines @@
                          const APITypeReferenceMap* type_refs,
                          const std::string& name)
     : request_handler_(request_handler), type_refs_(type_refs), name_(name) {}
 StorageArea::~StorageArea() = default;
 
 // static
 v8::Local<v8::Object> StorageArea::CreateStorageArea(
     v8::Local<v8::Context> context,
     const std::string& property_name,
     APIRequestHandler* request_handler,
+    APIEventHandler* event_handler,
     APITypeReferenceMap* type_refs) {
   v8::Context::Scope context_scope(context);
   v8::Local<v8::Object> object;
   if (property_name == "local") {
     gin::Handle<LocalStorageArea> handle =
         gin::CreateHandle(context->GetIsolate(),
                           new LocalStorageArea(request_handler, type_refs));
     object = handle.ToV8().As<v8::Object>();
   } else if (property_name == "sync") {
     gin::Handle<SyncStorageArea> handle = gin::CreateHandle(
@@ skipping 36 matching lines @@
     return;
   }
 
   converted_arguments->Insert(0u, base::MakeUnique<base::Value>(name_));
   request_handler_->StartRequest(context, "storage." + method_name,
                                  std::move(converted_arguments), callback,
                                  v8::Local<v8::Function>());
 }
 
 }  // namespace extensions