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

third_party/WebKit/Source/devtools/front_end/profiler/HeapProfilerPanel.js

 // Copyright 2017 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.
 
 /**
  * @implements {UI.ContextMenu.Provider}
  * @implements {UI.ActionDelegate}
  */
 Profiler.HeapProfilerPanel = class extends Profiler.ProfilesPanel {
   constructor() {
@@ skipping 11 matching lines @@
    * @param {!Object} target
    */
   appendApplicableItems(event, contextMenu, target) {
     if (!(target instanceof SDK.RemoteObject))
       return;
 
     if (!this.isShowing())
       return;
 
     var object = /** @type {!SDK.RemoteObject} */ (target);
-    var objectId = object.objectId;
-    if (!objectId)
+    if (!object.objectId)
       return;
+    var objectId = /** @type {string} */ (object.objectId);
 
     var heapProfiles = Profiler.ProfileTypeRegistry.instance.heapSnapshotProfileType.getProfiles();
     if (!heapProfiles.length)
       return;
 
-    var heapProfilerModel = object.target().model(SDK.HeapProfilerModel);
+    var heapProfilerModel = object.runtimeModel().heapProfilerModel();
     if (!heapProfilerModel)
       return;
 
     /**
      * @param {string} viewName
      * @this {Profiler.ProfilesPanel}
      */
     function revealInView(viewName) {
       heapProfilerModel.snapshotObjectIdForObjectId(objectId).then(result => {
         if (this.isShowing() && result)
@@ skipping 44 matching lines @@
       // FIXME: allow to choose snapshot if there are several options.
       if (profile.maxJSObjectId >= snapshotObjectId) {
         this.showProfile(profile);
         var view = this.viewForProfile(profile);
         view.selectLiveObject(perspectiveName, snapshotObjectId);
         break;
       }
     }
   }
 };