DevTools: make Id the first parameter of protocol message.

Source/core/inspector/CodeGeneratorInspectorStrings.py

 # Copyright (c) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 339 matching lines @@
 }
 
 void InspectorBackendDispatcherImpl::sendResponse(long callId, PassRefPtr<JSONObject> result, const ErrorString& invocationError, PassRefPtr<JSONValue> errorData)
 {
     if (invocationError.length()) {
         reportProtocolError(&callId, ServerError, invocationError, errorData);
         return;
     }
 
     RefPtr<JSONObject> responseMessage = JSONObject::create();
+    responseMessage->setNumber("id", callId);
     responseMessage->setObject("result", result);
-    responseMessage->setNumber("id", callId);
     if (m_inspectorFrontendChannel)
         m_inspectorFrontendChannel->sendMessageToFrontend(responseMessage.release());
 }
 
 void InspectorBackendDispatcher::reportProtocolError(const long* const callId, CommonErrorCode code, const String& errorMessage) const
 {
     reportProtocolError(callId, code, errorMessage, PassRefPtr<JSONValue>());
 }
 
 void InspectorBackendDispatcherImpl::reportProtocolError(const long* const callId, CommonErrorCode code, const String& errorMessage, PassRefPtr<JSONValue> data) const
@@ skipping 579 matching lines @@
     };
 
 """)
 
 class_binding_builder_part_4 = (
 """    static Builder<NoFieldsSet> create()
     {
         return Builder<NoFieldsSet>(JSONObject::create());
     }
 """)