[DevTools] Remove Common.Event.target field.

third_party/WebKit/Source/devtools/front_end/sources/SourcesPanel.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2011 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 93 matching lines @@
     this._setTarget(UI.context.flavor(SDK.Target));
     Bindings.breakpointManager.addEventListener(
         Bindings.BreakpointManager.Events.BreakpointsActiveStateChanged, this._breakpointsActiveStateChanged, this);
     UI.context.addFlavorChangeListener(SDK.Target, this._onCurrentTargetChanged, this);
     UI.context.addFlavorChangeListener(SDK.DebuggerModel.CallFrame, this._callFrameChanged, this);
     SDK.targetManager.addModelListener(
         SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerWasEnabled, this._debuggerWasEnabled, this);
     SDK.targetManager.addModelListener(
         SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerPaused, this._debuggerPaused, this);
     SDK.targetManager.addModelListener(
-        SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerResumed, this._debuggerResumed, this);
+        SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerResumed,
+        (event) => this._debuggerResumed(/** @type {!SDK.DebuggerModel} */ (event.data)));
     SDK.targetManager.addModelListener(
-        SDK.DebuggerModel, SDK.DebuggerModel.Events.GlobalObjectCleared, this._debuggerReset, this);
+        SDK.DebuggerModel, SDK.DebuggerModel.Events.GlobalObjectCleared,
+        (event) => this._debuggerResumed(/** @type {!SDK.DebuggerModel} */ (event.data)));
     SDK.targetManager.addModelListener(
         SDK.SubTargetsManager, SDK.SubTargetsManager.Events.PendingTargetAdded, this._pendingTargetAdded, this);
     new Sources.WorkspaceMappingTip(this, this._workspace);
     Extensions.extensionServer.addEventListener(
         Extensions.ExtensionServer.Events.SidebarPaneAdded, this._extensionSidebarPaneAdded, this);
     Components.DataSaverInfobar.maybeShowInPanel(this);
     SDK.targetManager.observeTargets(this);
   }
 
   /**
@@ skipping 154 matching lines @@
    * @return {!UI.SearchableView}
    */
   searchableView() {
     return this._sourcesView.searchableView();
   }
 
   /**
    * @param {!Common.Event} event
    */
   _debuggerPaused(event) {
-    var details = /** @type {!SDK.DebuggerPausedDetails} */ (event.data);
+    var debuggerModel = /** @type {!SDK.DebuggerModel} */ (event.data);
+    var details = debuggerModel.debuggerPausedDetails();
     if (!this._paused)
       this._setAsCurrentPanel();
 
     if (UI.context.flavor(SDK.Target) === details.target())
       this._showDebuggerPausedDetails(details);
     else if (!this._paused)
       UI.context.setFlavor(SDK.Target, details.target());
   }
 
   /**
    * @param {!SDK.DebuggerPausedDetails} details
    */
   _showDebuggerPausedDetails(details) {
     this._paused = true;
     this._updateDebuggerButtonsAndStatus();
     UI.context.setFlavor(SDK.DebuggerPausedDetails, details);
     this._toggleDebuggerSidebarButton.setEnabled(false);
     this._revealDebuggerSidebar();
     window.focus();
     InspectorFrontendHost.bringToFront();
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!SDK.DebuggerModel} debuggerModel
    */
-  _debuggerResumed(event) {
-    var debuggerModel = /** @type {!SDK.DebuggerModel} */ (event.target);
+  _debuggerResumed(debuggerModel) {
     var target = debuggerModel.target();
     if (UI.context.flavor(SDK.Target) !== target)
       return;
     this._paused = false;
     this._clearInterface();
     this._toggleDebuggerSidebarButton.setEnabled(true);
     this._switchToPausedTargetTimeout = setTimeout(this._switchToPausedTarget.bind(this, debuggerModel), 500);
   }
 
   /**
    * @param {!Common.Event} event
    */
   _debuggerWasEnabled(event) {
-    var target = /** @type {!SDK.Target} */ (event.target.target());
-    if (UI.context.flavor(SDK.Target) !== target)
+    var debuggerModel = /** @type {!SDK.DebuggerModel} */ (event.data);
+    if (UI.context.flavor(SDK.Target) !== debuggerModel.target())
       return;
 
     this._updateDebuggerButtonsAndStatus();
   }
 
   /**
-   * @param {!Common.Event} event
-   */
-  _debuggerReset(event) {
-    this._debuggerResumed(event);
-  }
-
-  /**
    * @return {?UI.Widget}
    */
   get visibleView() {
     return this._sourcesView.visibleView();
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {number=} lineNumber 0-based
    * @param {number=} columnNumber
@@ skipping 957 matching lines @@
    */
   willHide() {
     UI.inspectorView.setDrawerMinimized(false);
     setImmediate(() => Sources.SourcesPanel.updateResizerAndSidebarButtons(Sources.SourcesPanel.instance()));
   }
 
   _showViewInWrapper() {
     this._view.show(this.element);
   }
 };