json_schema_compiler: Use std::vector<char> for binary values.

extensions/browser/api/serial/serial_event_dispatcher.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_SERIAL_SERIAL_EVENT_DISPATCHER_H_
 #define EXTENSIONS_BROWSER_API_SERIAL_SERIAL_EVENT_DISPATCHER_H_
 
 #include <string>
+#include <vector>
 
 #include "extensions/browser/api/api_resource_manager.h"
 #include "extensions/common/api/serial.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace extensions {
 
@@ skipping 33 matching lines @@
     content::BrowserThread::ID thread_id;
     void* browser_context_id;
     std::string extension_id;
     scoped_refptr<ConnectionData> connections;
     int connection_id;
   };
 
   static void StartReceive(const ReceiveParams& params);
 
   static void ReceiveCallback(const ReceiveParams& params,
-                              const std::string& data,
+                              const std::vector<char>& data,
                               serial::ReceiveError error);
 
   static void PostEvent(const ReceiveParams& params,
                         scoped_ptr<extensions::Event> event);
 
   static void DispatchEvent(void* browser_context_id,
                             const std::string& extension_id,
                             scoped_ptr<extensions::Event> event);
 
   content::BrowserThread::ID thread_id_;
   content::BrowserContext* const context_;
   scoped_refptr<ConnectionData> connections_;
 };
 
 }  // namespace core_api
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_SERIAL_SERIAL_EVENT_DISPATCHER_H_