[DevTools] Migrate usages of Target to RuntimeModel where makes sense

third_party/WebKit/Source/devtools/front_end/main/OverlayController.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 /**
  * @unrestricted
  */
 Main.OverlayController = class {
   constructor() {
     Common.moduleSetting('disablePausedStateOverlay').addChangeListener(this._updateAllOverlays, this);
     SDK.targetManager.addModelListener(
         SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerPaused, this._updateOverlay, this);
     SDK.targetManager.addModelListener(
         SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerResumed, this._updateOverlay, this);
     // TODO(dgozman): we should get DebuggerResumed on navigations instead of listening to GlobalObjectCleared.
     SDK.targetManager.addModelListener(
         SDK.DebuggerModel, SDK.DebuggerModel.Events.GlobalObjectCleared, this._updateOverlay, this);
     SDK.targetManager.addEventListener(SDK.TargetManager.Events.SuspendStateChanged, this._updateAllOverlays, this);
   }
 
   _updateAllOverlays() {
-    for (var target of SDK.targetManager.targets(SDK.Target.Capability.Browser)) {
-      this._updateTargetOverlay(
-          /** @type {!SDK.DebuggerModel} */ (SDK.DebuggerModel.fromTarget(target)));
-    }
+    for (var debuggerModel of SDK.targetManager.models(SDK.DebuggerModel))
+      this._updateTargetOverlay(debuggerModel);
   }
 
   /**
    * @param {!Common.Event} event
    */
   _updateOverlay(event) {
     this._updateTargetOverlay(/** @type {!SDK.DebuggerModel} */ (event.data));
   }
 
   /**
    * @param {!SDK.DebuggerModel} debuggerModel
    */
   _updateTargetOverlay(debuggerModel) {
     if (!debuggerModel.target().hasBrowserCapability())
       return;
     var message = debuggerModel.isPaused() && !Common.moduleSetting('disablePausedStateOverlay').get() ?
         Common.UIString('Paused in debugger') :
         undefined;
     debuggerModel.target().pageAgent().configureOverlay(SDK.targetManager.allTargetsSuspended(), message);
   }
 };