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

extensions/renderer/dom_activity_logger.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/dom_activity_logger.h"
 
 #include <utility>
 
 #include "content/public/child/v8_value_converter.h"
 #include "content/public/renderer/render_thread.h"
 #include "extensions/common/dom_action_types.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/renderer/activity_log_converter_strategy.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 
-using content::V8ValueConverter;
 using blink::WebString;
 using blink::WebURL;
 
 namespace extensions {
 
 namespace {
 
 // Converts the given |v8_value| and appends it to the given |list|, if the
 // conversion succeeds.
 void AppendV8Value(const std::string& api_name,
                    const v8::Local<v8::Value>& v8_value,
                    base::ListValue* list) {
   DCHECK(list);
-  std::unique_ptr<V8ValueConverter> converter(V8ValueConverter::create());
+  std::unique_ptr<content::V8ValueConverter> converter =
+      content::V8ValueConverter::Create();
   ActivityLogConverterStrategy strategy;
   converter->SetFunctionAllowed(true);
   converter->SetStrategy(&strategy);
   std::unique_ptr<base::Value> value(converter->FromV8Value(
       v8_value, v8::Isolate::GetCurrent()->GetCurrentContext()));
 
   if (value.get())
     list->Append(std::move(value));
 }
 
@@ skipping 82 matching lines @@
   params.api_call = api_call;
   params.url = url;
   params.url_title = url_title;
   params.call_type = call_type;
   params.arguments.Swap(args.get());
   content::RenderThread::Get()->Send(
       new ExtensionHostMsg_AddDOMActionToActivityLog(extension_id_, params));
 }
 
 }  // namespace extensions