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

extensions/renderer/script_context.cc

 // Copyright 2014 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/script_context.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/string_split.h"
@@ skipping 15 matching lines @@
 #include "extensions/renderer/v8_helpers.h"
 #include "gin/per_context_data.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "v8/include/v8.h"
 
-using content::V8ValueConverter;
-
 namespace extensions {
 
 namespace {
 
 std::string GetContextTypeDescriptionString(Feature::Context context_type) {
   switch (context_type) {
     case Feature::UNSPECIFIED_CONTEXT:
       return "UNSPECIFIED";
     case Feature::BLESSED_EXTENSION_CONTEXT:
       return "BLESSED_EXTENSION";
@@ skipping 315 matching lines @@
 }
 
 void ScriptContext::OnResponseReceived(const std::string& name,
                                        int request_id,
                                        bool success,
                                        const base::ListValue& response,
                                        const std::string& error) {
   DCHECK(thread_checker_.CalledOnValidThread());
   v8::HandleScope handle_scope(isolate());
 
-  std::unique_ptr<V8ValueConverter> converter(V8ValueConverter::create());
   v8::Local<v8::Value> argv[] = {
       v8::Integer::New(isolate(), request_id),
       v8::String::NewFromUtf8(isolate(), name.c_str()),
       v8::Boolean::New(isolate(), success),
-      converter->ToV8Value(&response,
-                           v8::Local<v8::Context>::New(isolate(), v8_context_)),
+      content::V8ValueConverter::Create()->ToV8Value(
+          &response, v8::Local<v8::Context>::New(isolate(), v8_context_)),
       v8::String::NewFromUtf8(isolate(), error.c_str())};
 
   v8::Local<v8::Value> retval = module_system()->CallModuleMethod(
       "sendRequest", "handleResponse", arraysize(argv), argv);
 
   // In debug, the js will validate the callback parameters and return a
   // string if a validation error has occured.
   DCHECK(retval.IsEmpty() || retval->IsUndefined())
       << *v8::String::Utf8Value(retval);
 }
@@ skipping 137 matching lines @@
     v8::Local<v8::Value> argv[]) {
   return context_->CallFunction(function, argc, argv);
 }
 
 gin::ContextHolder* ScriptContext::Runner::GetContextHolder() {
   v8::HandleScope handle_scope(context_->isolate());
   return gin::PerContextData::From(context_->v8_context())->context_holder();
 }
 
 }  // namespace extensions