[DevTools] Refactor CodeGenerator.

third_party/WebKit/Source/platform/inspector_protocol/FrontendChannel_h.template

 // Copyright 2016 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 FrontendChannel_h
 #define FrontendChannel_h
 
 //#include "String16.h"
-#include "{{export_macro_include}}"
+#include "{{config.class_export.header}}"
 
 namespace blink {
 namespace protocol {
 
-class {{export_macro}} FrontendChannel {
+class {{config.class_export.macro}} FrontendChannel {
 public:
     virtual ~FrontendChannel() { }
     virtual void sendProtocolResponse(int callId, const String16& message) = 0;
     virtual void sendProtocolNotification(const String16& message) = 0;
     virtual void flushProtocolNotifications() = 0;
 };
 
 } // namespace protocol
 } // namespace blink
 
 #endif // !defined(FrontendChannel_h)