Implement tagging of profiler log event blocks.

src/debug-delay.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1916 matching lines @@
 
 
 DebugCommandProcessor.prototype.profileRequest_ = function(request, response) {
   if (!request.arguments) {
     return response.failed('Missing arguments');
   }
   var modules = parseInt(request.arguments.modules);
   if (isNaN(modules)) {
     return response.failed('Modules is not an integer');
   }
+  var tag = parseInt(request.arguments.tag);
+  if (isNaN(tag)) {
+    tag = 0;
+  }
   if (request.arguments.command == 'resume') {
-    %ProfilerResume(modules);
+    %ProfilerResume(modules, tag);
   } else if (request.arguments.command == 'pause') {
-    %ProfilerPause(modules);
+    %ProfilerPause(modules, tag);
   } else {
     return response.failed('Unknown command');
   }
   response.body = {};
 };
 
 
 // Check whether the previously processed command caused the VM to become
 // running.
 DebugCommandProcessor.prototype.isRunning = function() {
@@ skipping 113 matching lines @@
     case 'string':
     case 'number':
       json = value;
       break
 
     default:
       json = null;
   }
   return json;
 }