Turn ThreadPriority enum into an enum class.

base/threading/platform_thread_win.cc

Index: base/threading/platform_thread_win.cc
diff --git a/base/threading/platform_thread_win.cc b/base/threading/platform_thread_win.cc
index df44ec2c4770f5066c7ad5447e83d391a8577d11..b5cc49b3d17791c4fc395eb6b7f982688366ba7b 100644
--- a/base/threading/platform_thread_win.cc
+++ b/base/threading/platform_thread_win.cc
@@ -237,16 +237,16 @@ void PlatformThread::SetThreadPriority(PlatformThreadHandle handle,
 
   int desired_priority = THREAD_PRIORITY_ERROR_RETURN;
   switch (priority) {

[rvargas (doing something else), 2015/04/01 19:10:35]

nit: please reorder the switch order to follow the enum

[gab, 2015/04/01 21:05:33]

Done.

-    case kThreadPriority_Normal:
+    case ThreadPriority::NORMAL:
       desired_priority = THREAD_PRIORITY_NORMAL;
       break;
-    case kThreadPriority_RealtimeAudio:
+    case ThreadPriority::REALTIMEAUDIO:
       desired_priority = THREAD_PRIORITY_TIME_CRITICAL;
       break;
-    case kThreadPriority_Display:
+    case ThreadPriority::DISPLAY:
       desired_priority = THREAD_PRIORITY_ABOVE_NORMAL;
       break;
-    case kThreadPriority_Background:
+    case ThreadPriority::BACKGROUND:
       desired_priority = THREAD_PRIORITY_LOWEST;
       break;
     default:
@@ -270,18 +270,18 @@ ThreadPriority PlatformThread::GetThreadPriority(PlatformThreadHandle handle) {
   int priority = ::GetThreadPriority(handle.handle_);
   switch (priority) {
     case THREAD_PRIORITY_NORMAL:
-      return kThreadPriority_Normal;
+      return ThreadPriority::NORMAL;
     case THREAD_PRIORITY_TIME_CRITICAL:
-      return kThreadPriority_RealtimeAudio;
+      return ThreadPriority::REALTIMEAUDIO;
     case THREAD_PRIORITY_ABOVE_NORMAL:
-      return kThreadPriority_Display;
+      return ThreadPriority::DISPLAY;
     case THREAD_PRIORITY_LOWEST:
-      return kThreadPriority_Background;
+      return ThreadPriority::BACKGROUND;
     case THREAD_PRIORITY_ERROR_RETURN:
       DPCHECK(false) << "GetThreadPriority error";  // Falls through.
     default:
       NOTREACHED() << "Unexpected priority: " << priority;
-      return kThreadPriority_Normal;
+      return ThreadPriority::NORMAL;
   }
 }