Added labelled thread names to help with some debugging activity. Right now,...

src/d8-debug.h

Index: src/d8-debug.h
===================================================================
--- src/d8-debug.h	(revision 6114)
+++ src/d8-debug.h	(working copy)
@@ -98,7 +98,11 @@
 class ReceiverThread: public i::Thread {
  public:
   explicit ReceiverThread(RemoteDebugger* remote_debugger)
-      : remote_debugger_(remote_debugger) {}
+      :
+#ifdef DEBUG_THREAD_NAMES
+        Thread("d8:ReceiverThrd"),
+#endif
+        remote_debugger_(remote_debugger) {}
   ~ReceiverThread() {}
 
   void Run();
@@ -112,7 +116,11 @@
 class KeyboardThread: public i::Thread {
  public:
   explicit KeyboardThread(RemoteDebugger* remote_debugger)
-      : remote_debugger_(remote_debugger) {}
+      :
+#ifdef DEBUG_THREAD_NAMES
+        Thread("d8:KeyboardThrd"),
+#endif
+        remote_debugger_(remote_debugger) {}
   ~KeyboardThread() {}
 
   void Run();