Tracing: re-use JSONTraceDataSink in DevTools' tracing handler...

content/browser/tracing/tracing_controller_impl_data_sinks.cc

 // Copyright 2015 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 <utility>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/json/json_writer.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 318 matching lines @@
     scoped_refptr<TraceDataEndpoint> endpoint) {
   return new JSONTraceDataSink(new CompressedTraceDataEndpoint(endpoint));
 }
 
 scoped_refptr<TraceDataEndpoint> TracingControllerImpl::CreateCallbackEndpoint(
     const base::Callback<void(std::unique_ptr<const base::DictionaryValue>,
                               base::RefCountedString*)>& callback) {
   return new StringTraceDataEndpoint(callback);
 }
 
+scoped_refptr<TracingController::TraceDataSink>
+TracingControllerImpl::CreateJSONSink(
+    scoped_refptr<TraceDataEndpoint> endpoint) {
+  return new JSONTraceDataSink(endpoint);
+}
+
 }  // namespace content