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

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 7727b885834c82fd426325adec4d8c779f266f56..ff6111dae6f5c5bc7da84129be024a5826d7f4e5 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -34,6 +34,7 @@
 #include "content/child/resource_dispatcher.h"
 #include "content/child/runtime_features.h"
 #include "content/child/web_database_observer_impl.h"
+#include "content/common/content_constants_internal.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/database_messages.h"
 #include "content/common/db_message_filter.h"
@@ -308,6 +309,10 @@ RenderThreadImpl::RenderThreadImpl(const std::string& channel_name)
 void RenderThreadImpl::Init() {
   TRACE_EVENT_BEGIN_ETW("RenderThreadImpl::Init", 0, "");
 
+  base::debug::TraceLog::GetInstance()->SetThreadSortIndex(
+      base::PlatformThread::CurrentId(),
+      kTraceEventRendererMainThreadSortIndex);
+
   v8::V8::SetCounterFunction(base::StatsTable::FindLocation);
   v8::V8::SetCreateHistogramFunction(CreateHistogram);
   v8::V8::SetAddHistogramSampleFunction(AddHistogramSample);