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

chrome/renderer/sandbox_status_extension_android.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/sandbox_status_extension_android.h"
 
 #include "base/android/build_info.h"
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/memory/ptr_util.h"
@@ skipping 130 matching lines @@
     return;
 
   v8::Isolate* isolate = blink::MainThreadIsolate();
   v8::HandleScope handle_scope(isolate);
   v8::Local<v8::Context> context =
       render_frame()->GetWebFrame()->MainWorldScriptContext();
   v8::Context::Scope context_scope(context);
   v8::Local<v8::Function> callback_local =
       v8::Local<v8::Function>::New(isolate, *callback);
 
-  std::unique_ptr<content::V8ValueConverter> converter(
-      content::V8ValueConverter::create());
-
-  v8::Local<v8::Value> argv[] = {converter->ToV8Value(status.get(), context)};
+  v8::Local<v8::Value> argv[] = {
+      content::V8ValueConverter::Create()->ToV8Value(status.get(), context)};
   render_frame()->GetWebFrame()->CallFunctionEvenIfScriptDisabled(
       callback_local, v8::Object::New(isolate), 1, argv);
 }