Make base::MessageLoops have names at construction time

chrome/nacl/nacl_main.cc

Index: chrome/nacl/nacl_main.cc
diff --git a/chrome/nacl/nacl_main.cc b/chrome/nacl/nacl_main.cc
index 1eb0455376ad2ba6310f83525f4e126be08c9946..90f62db5c8fecf99b9256c80d77ab6bc6f16b2fa 100644
--- a/chrome/nacl/nacl_main.cc
+++ b/chrome/nacl/nacl_main.cc
@@ -36,8 +36,7 @@
 // This is necessary for supporting NaCl in Chrome on Win64.
 int NaClBrokerMain(const MainFunctionParams& parameters) {
   // The main thread of the broker.
-  MessageLoopForIO main_message_loop;
-  base::PlatformThread::SetName("CrNaClBrokerMain");
+  MessageLoopForIO main_message_loop("CrNaClBrokerMain");
 
   base::SystemMonitor system_monitor;
   HighResolutionTimerManager hi_res_timer_manager;
@@ -100,8 +99,7 @@ int NaClMain(const MainFunctionParams& parameters) {
   HandleNaClTestParameters(parsed_command_line);
 
   // The main thread of the plugin services IO.
-  MessageLoopForIO main_message_loop;
-  base::PlatformThread::SetName("CrNaClMain");
+  MessageLoopForIO main_message_loop("CrNaClMain");
 
   base::SystemMonitor system_monitor;
   HighResolutionTimerManager hi_res_timer_manager;