Set the profiler's thread name at a central place

base/threading/platform_thread_win.cc

Index: base/threading/platform_thread_win.cc
===================================================================
--- base/threading/platform_thread_win.cc	(revision 109824)
+++ base/threading/platform_thread_win.cc	(working copy)
@@ -8,6 +8,7 @@
 #include "base/logging.h"
 #include "base/threading/thread_local.h"
 #include "base/threading/thread_restrictions.h"
+#include "base/tracked_objects.h"
 
 #include "base/win/windows_version.h"
 
@@ -100,6 +101,7 @@
 // static
 void PlatformThread::SetName(const char* name) {
   current_thread_name.Set(const_cast<char*>(name));
+  tracked_objects::ThreadData::InitializeThreadContext(name);
 
   // The debugger needs to be around to catch the name in the exception.  If
   // there isn't a debugger, we are just needlessly throwing an exception.