Process names, and predictable thread and process ordering in about:tracing

content/common/content_constants_internal.cc

 // Copyright (c) 2012 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/common/content_constants_internal.h"
 
 namespace content {
 
 const int kHungRendererDelayMs = 30000;
 
+const int kTraceEventBrowserProcessSortIndex = -6;
+const int kTraceEventRendererProcessSortIndex = -5;
+const int kTraceEventPluginProcessSortIndex = -4;
+const int kTraceEventPpapiProcessSortIndex = -3;
+const int kTraceEventPpapiBrokerProcessSortIndex = -2;
+const int kTraceEventGpuProcessSortIndex = -1;
+
+const int kTraceEventRendererMainThreadSortIndex = -1;
+
 } // namespace content