[DevTools] Remove Common.Event.target field.

third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js

 /*
  * Copyright (C) 2010 Google Inc. 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
@@ skipping 86 matching lines @@
   enableDebugger(callback) {
     if (this._debuggerEnabled) {
       if (callback)
         callback();
       return;
     }
     this._agent.enable(callback);
     this._debuggerEnabled = true;
     this._pauseOnExceptionStateChanged();
     this.asyncStackTracesStateChanged();
-    this.dispatchEventToListeners(SDK.DebuggerModel.Events.DebuggerWasEnabled);
+    this.dispatchEventToListeners(SDK.DebuggerModel.Events.DebuggerWasEnabled, this);
   }
 
   /**
    * @param {function()=} callback
    */
   disableDebugger(callback) {
     if (!this._debuggerEnabled) {
       if (callback)
         callback();
       return;
@@ skipping 191 matching lines @@
    */
   _breakpointResolved(breakpointId, location) {
     this._breakpointResolvedEventTarget.dispatchEventToListeners(
         breakpointId, SDK.DebuggerModel.Location.fromPayload(this, location));
   }
 
   globalObjectCleared() {
     this._setDebuggerPausedDetails(null);
     this._reset();
     // TODO(dgozman): move clients to ExecutionContextDestroyed/ScriptCollected events.
-    this.dispatchEventToListeners(SDK.DebuggerModel.Events.GlobalObjectCleared);
+    this.dispatchEventToListeners(SDK.DebuggerModel.Events.GlobalObjectCleared, this);
   }
 
   _reset() {
     this._scripts = {};
     this._scriptsBySourceURL.clear();
   }
 
   /**
    * @return {!Object.<string, !SDK.Script>}
    */
@@ skipping 78 matching lines @@
    * @return {boolean}
    */
   _setDebuggerPausedDetails(debuggerPausedDetails) {
     this._isPausing = false;
     this._debuggerPausedDetails = debuggerPausedDetails;
     if (this._debuggerPausedDetails) {
       if (Runtime.experiments.isEnabled('emptySourceMapAutoStepping') && this._beforePausedCallback) {
         if (!this._beforePausedCallback.call(null, this._debuggerPausedDetails))
           return false;
       }
-      this.dispatchEventToListeners(SDK.DebuggerModel.Events.DebuggerPaused, this._debuggerPausedDetails);
+      this.dispatchEventToListeners(SDK.DebuggerModel.Events.DebuggerPaused, this);
     }
     if (debuggerPausedDetails)
       this.setSelectedCallFrame(debuggerPausedDetails.callFrames[0]);
     else
       this.setSelectedCallFrame(null);
     return true;
   }
 
   /**
    * @param {?function(!SDK.DebuggerPausedDetails):boolean} callback
@@ skipping 11 matching lines @@
    */
   _pausedScript(callFrames, reason, auxData, breakpointIds, asyncStackTrace) {
     var pausedDetails =
         new SDK.DebuggerPausedDetails(this, callFrames, reason, auxData, breakpointIds, asyncStackTrace);
     if (!this._setDebuggerPausedDetails(pausedDetails))
       this._agent.stepInto();
   }
 
   _resumedScript() {
     this._setDebuggerPausedDetails(null);
-    this.dispatchEventToListeners(SDK.DebuggerModel.Events.DebuggerResumed);
+    this.dispatchEventToListeners(SDK.DebuggerModel.Events.DebuggerResumed, this);
   }
 
   /**
    * @param {!Protocol.Runtime.ScriptId} scriptId
    * @param {string} sourceURL
    * @param {number} startLine
    * @param {number} startColumn
    * @param {number} endLine
    * @param {number} endColumn
    * @param {!Protocol.Runtime.ExecutionContextId} executionContextId
@@ skipping 852 matching lines @@
         stack.callFrames.shift();
       if (previous && !stack.callFrames.length)
         previous.parent = stack.parent;
       else
         previous = stack;
       stack = stack.parent;
     }
     return asyncStackTrace;
   }
 };