Remove base::StringValue

extensions/browser/api/app_window/app_window_api.cc

 // Copyright (c) 2012 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/browser/api/app_window/app_window_api.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 364 matching lines @@
   }
 
   content::RenderFrameHost* created_frame =
       app_window->web_contents()->GetMainFrame();
   int frame_id = MSG_ROUTING_NONE;
   if (create_params.creator_process_id == created_frame->GetProcess()->GetID())
     frame_id = created_frame->GetRoutingID();
 
   std::unique_ptr<base::DictionaryValue> result(new base::DictionaryValue);
   result->Set("frameId", new base::Value(frame_id));
-  result->Set("id", new base::StringValue(app_window->window_key()));
+  result->Set("id", new base::Value(app_window->window_key()));
   app_window->GetSerializedState(result.get());
   SetResult(std::move(result));
 
   if (AppWindowRegistry::Get(browser_context())
           ->HadDevToolsAttached(app_window->web_contents())) {
     AppWindowClient::Get()->OpenDevToolsWindow(
         app_window->web_contents(),
         base::Bind(&AppWindowCreateFunction::SendResponse, this, true));
     return true;
   }
@@ skipping 178 matching lines @@
 
   if (options.frame->as_frame_options->inactive_color.get()) {
     error_ = app_window_constants::kInactiveColorWithoutColor;
     return false;
   }
 
   return true;
 }
 
 }  // namespace extensions