content: Depict priority in raster worker thread's name.

base/threading/platform_thread_win.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 "base/threading/platform_thread.h"
 
 #include <stddef.h>
 
 #include "base/debug/alias.h"
 #include "base/debug/profiler.h"
@@ skipping 114 matching lines @@
 
   if (out_thread_handle)
     *out_thread_handle = PlatformThreadHandle(thread_handle);
   else
     CloseHandle(thread_handle);
   return true;
 }
 
 }  // namespace
 
+// TODO(prashant.n): Move to common file across platforms.
+std::string GetThreadPriorityAbbr(ThreadPriority priority) {
+  switch (priority) {
+    case ThreadPriority::BACKGROUND:
+      return "bg";
+    case ThreadPriority::NORMAL:
+      return "nl";
+    case ThreadPriority::DISPLAY:
+      return "ds";
+    case ThreadPriority::REALTIME_AUDIO:
+      return "rt";
+    default:
+      NOTREACHED();
+      return "";
+  }
+}
+
 // static
 PlatformThreadId PlatformThread::CurrentId() {
   return ::GetCurrentThreadId();
 }
 
 // static
 PlatformThreadRef PlatformThread::CurrentRef() {
   return PlatformThreadRef(::GetCurrentThreadId());
 }
 
@@ skipping 130 matching lines @@
       return ThreadPriority::REALTIME_AUDIO;
     case THREAD_PRIORITY_ERROR_RETURN:
       DPCHECK(false) << "GetThreadPriority error";  // Falls through.
     default:
       NOTREACHED() << "Unexpected priority: " << priority;
       return ThreadPriority::NORMAL;
   }
 }
 
 }  // namespace base