DevTools: [TrackingHeapProfiler] Provide a chart with living heap date at recording time.

Source/devtools/front_end/ProfilesPanel.js

 /*
  * Copyright (C) 2008 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 32 matching lines @@
 }
 
 WebInspector.ProfileType.Events = {
     AddProfileHeader: "add-profile-header",
     RemoveProfileHeader: "remove-profile-header",
     ProgressUpdated: "progress-updated",
     ViewUpdated: "view-updated"
 }
 
 WebInspector.ProfileType.prototype = {
+    hasTemporaryView: function()
+    {
+        return false;
+    },
+
     /**
      * @return {string|null}
      */
     fileExtension: function()
     {
         return null;
     },
 
     get statusBarItems()
     {
@@ skipping 697 matching lines @@
             sidebarParent.hidden = !this._singleProfileMode;
         }
     },
 
     /**
      * @param {!WebInspector.ProfileHeader} profile
      * @return {WebInspector.View}
      */
     _showProfile: function(profile)
     {
-        if (!profile || profile.isTemporary)
+        if (!profile || (profile.isTemporary && !profile.profileType().hasTemporaryView()))
             return null;
 
         var view = profile.view(this);
         if (view === this.visibleView)
             return view;
 
         this.closeVisibleView();
 
         view.show(this.profileViews);
 
@@ skipping 339 matching lines @@
      * @param {boolean} isProfiling
      */
     setRecordingProfile: function(profileType, isProfiling)
     {
         var profileTypeObject = this.getProfileType(profileType);
         this.recordButton.toggled = isProfiling;
         this.recordButton.title = profileTypeObject.buttonTooltip;
         if (isProfiling) {
             this._launcherView.profileStarted();
             this._createTemporaryProfile(profileType);
+            if (profileTypeObject.hasTemporaryView())
+                this._showProfile(profileTypeObject.findTemporaryProfile());
         } else
             this._launcherView.profileFinished();
     },
 
     /**
      * @param {!WebInspector.ProfileHeader} profile
      * @param {number} done
      * @param {number} total
      */
     _reportProfileProgress: function(profile, done, total)
@@ skipping 267 matching lines @@
 importScript("HeapSnapshotLoader.js");
 importScript("HeapSnapshotProxy.js");
 importScript("HeapSnapshotView.js");
 importScript("HeapSnapshotWorkerDispatcher.js");
 importScript("JSHeapSnapshot.js");
 importScript("NativeHeapSnapshot.js");
 importScript("NativeMemorySnapshotView.js");
 importScript("ProfileLauncherView.js");
 importScript("TopDownProfileDataGridTree.js");
 importScript("CanvasProfileView.js");