Use FILE thread for disk operations in TraceSubscriberStdio

content/browser/trace_message_filter.h

 // Copyright (c) 2011 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_TRACE_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_TRACE_MESSAGE_FILTER_H_
 
 #include <string>
 #include <vector>
 
+#include "base/memory/ref_counted_memory.h"

[joth, 2012/02/08 13:22:20]

needed?

[Iain Merrick, 2012/02/08 14:11:24]

Oops, no. Removed.

 #include "content/public/browser/browser_message_filter.h"
 
 // This class sends and receives trace messages on the browser process.
 // See also: trace_controller.h
 // See also: child_trace_message_filter.h
 class TraceMessageFilter : public content::BrowserMessageFilter {
  public:
   TraceMessageFilter();
   virtual ~TraceMessageFilter();
 
@@ skipping 23 matching lines @@
 
   // Awaiting ack for previously sent SendEndTracing
   bool is_awaiting_end_ack_;
   bool is_awaiting_bpf_ack_;
 
   DISALLOW_COPY_AND_ASSIGN(TraceMessageFilter);
 };
 
 #endif  // CONTENT_BROWSER_TRACE_MESSAGE_FILTER_H_