[Content] Update V8ValueConverter::create to return a std::unique_ptr

chrome/renderer/extensions/app_bindings_core.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 "chrome/renderer/extensions/app_bindings_core.h"
 
 #include <memory>
 
 #include "base/values.h"
 #include "chrome/common/extensions/extension_constants.h"
@@ skipping 36 matching lines @@
   const Extension* extension =
       RendererExtensionRegistry::Get()->GetExtensionOrAppByURL(
           web_frame->GetDocument().Url());
 
   if (!extension)
     return v8::Null(isolate);
 
   std::unique_ptr<base::DictionaryValue> manifest_copy =
       extension->manifest()->value()->CreateDeepCopy();
   manifest_copy->SetString("id", extension->id());
-  std::unique_ptr<content::V8ValueConverter> converter(
-      content::V8ValueConverter::create());
-  return converter->ToV8Value(manifest_copy.get(),
-                              script_context->v8_context());
+  return content::V8ValueConverter::Create()->ToV8Value(
+      manifest_copy.get(), script_context->v8_context());
 }
 
 void AppBindingsCore::GetInstallState(ScriptContext* script_context,
                                       GetInstallStateCallback callback) {
   content::RenderFrame* render_frame = script_context->GetRenderFrame();
   CHECK(render_frame);
 
   int callback_id = next_callback_id_++;
   callbacks_[callback_id] = std::move(callback);
 
@@ skipping 49 matching lines @@
 void AppBindingsCore::OnAppInstallStateResponse(const std::string& state,
                                                 int callback_id) {
   auto iter = callbacks_.find(callback_id);
   DCHECK(iter != callbacks_.end());
   GetInstallStateCallback callback = std::move(iter->second);
   callbacks_.erase(iter);
   std::move(callback).Run(state);
 }
 
 }  // namespace extensions