Revert of Revert of Revert "Revert 237280 "Remove TraceController""

content/browser/tracing/trace_subscriber_stdio.h

Index: content/browser/tracing/trace_subscriber_stdio.h
diff --git a/content/browser/tracing/trace_subscriber_stdio.h b/content/browser/tracing/trace_subscriber_stdio.h
deleted file mode 100644
index 95c8f9f03af2d60080ad778e177e97f1e533b6c5..0000000000000000000000000000000000000000
--- a/content/browser/tracing/trace_subscriber_stdio.h
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright 2013 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 CONTENT_BROWSER_TRACING_TRACE_SUBSCRIBER_STDIO_H_
-#define CONTENT_BROWSER_TRACING_TRACE_SUBSCRIBER_STDIO_H_
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "content/public/browser/trace_subscriber.h"
-#include "content/common/content_export.h"
-
-namespace base {
-class FilePath;
-}
-
-namespace content {
-
-// Stdio implementation of TraceSubscriber. Use this to write traces to a file.
-class CONTENT_EXPORT TraceSubscriberStdio
-    : NON_EXPORTED_BASE(public TraceSubscriber) {
- public:
-  enum FileType {
-    // Output file as array, representing trace events:
-    // [event1, event2, ...]
-    FILE_TYPE_ARRAY,
-    // Output file as property list with one or two items:
-    // {traceEvents: [event1, event2, ...],
-    //  systemTraceEvents: "event1\nevent2\n..." // optional}
-    FILE_TYPE_PROPERTY_LIST
-  };
-
-  // has_system_trace indicates whether system trace events are expected.
-  TraceSubscriberStdio(const base::FilePath& path,
-                       FileType file_type,
-                       bool has_system_trace);
-  virtual ~TraceSubscriberStdio();
-
-  // Implementation of TraceSubscriber
-  virtual void OnEndTracingComplete() OVERRIDE;
-  virtual void OnTraceDataCollected(
-      const scoped_refptr<base::RefCountedString>& data_ptr) OVERRIDE;
-
-  // To be used as callback to DebugDaemonClient::RequestStopSystemTracing().
-  virtual void OnEndSystemTracing(
-      const scoped_refptr<base::RefCountedString>& events_str_ptr);
-
- private:
-  class TraceSubscriberStdioWorker;
-  scoped_refptr<TraceSubscriberStdioWorker> worker_;
-  DISALLOW_COPY_AND_ASSIGN(TraceSubscriberStdio);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_TRACING_TRACE_SUBSCRIBER_STDIO_H_