DevTools: Create target per each worker behind experiment

Source/devtools/front_end/WorkerManager.js

Index: Source/devtools/front_end/WorkerManager.js
diff --git a/Source/devtools/front_end/WorkerManager.js b/Source/devtools/front_end/WorkerManager.js
index 474ce8b43a96edad23edf735797b2fa03e384f02..221228fa7fda26d5c098503e7d37d6379f76a0a1 100644
--- a/Source/devtools/front_end/WorkerManager.js
+++ b/Source/devtools/front_end/WorkerManager.js
@@ -173,7 +173,7 @@ WebInspector.workerManager;
  * @extends {InspectorBackendClass.Connection}
  * @param {string} workerId
  */
-WebInspector.WorkerConnection = function(workerId, onConnectionReady)
+WebInspector.ExternalWorkerConnection = function(workerId, onConnectionReady)
 {
     InspectorBackendClass.Connection.call(this);
     this._workerId = workerId;
@@ -181,7 +181,7 @@ WebInspector.WorkerConnection = function(workerId, onConnectionReady)
     onConnectionReady(this);
 }
 
-WebInspector.WorkerConnection.prototype = {
+WebInspector.ExternalWorkerConnection.prototype = {
 
     /**
      * @param {?Event} event
@@ -204,4 +204,4 @@ WebInspector.WorkerConnection.prototype = {
     },
 
     __proto__: InspectorBackendClass.Connection.prototype
-}
+}