Ensure Origin Thread Affinity for BlameContext

content/renderer/top_level_blame_context.cc

 // 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.
 
 #include "content/renderer/top_level_blame_context.h"
 
 #include "base/threading/platform_thread.h"
 #include "content/renderer/frame_blame_context.h"
 
 namespace content {
 
 const char kTopLevelBlameContextCategory[] = "blink";
 const char kTopLevelBlameContextName[] = "FrameBlameContext";
 const char kTopLevelBlameContextType[] = "TopLevel";
 const char kTopLevelBlameContextScope[] = "PlatformThread";
 
 TopLevelBlameContext::TopLevelBlameContext()
     : base::trace_event::BlameContext(kTopLevelBlameContextCategory,
                                       kTopLevelBlameContextName,
                                       kTopLevelBlameContextType,
                                       kTopLevelBlameContextScope,
                                       base::PlatformThread::CurrentId(),
                                       nullptr) {}
 
+TopLevelBlameContext::~TopLevelBlameContext() {
+  UnregisterFromTraceLog();
+}
+
 }  // namespace content