[DevTools] Migrate Popover to GlassPane

third_party/WebKit/Source/devtools/front_end/ui/Widget.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 484 matching lines @@
   }
 
   /**
    * @return {boolean}
    */
   hasFocus() {
     return this.element.hasFocus();
   }
 
   /**
-   * @return {!UI.Size}
-   */
-  measurePreferredSize() {
-    var document = this.element.ownerDocument;
-    var oldParent = this.element.parentElement;
-    var oldNextSibling = this.element.nextSibling;
-
-    UI.Widget._originalAppendChild.call(document.body, this.element);
-    this.element.positionAt(0, 0);
-    var result = new UI.Size(this.element.offsetWidth, this.element.offsetHeight);
-
-    this.element.positionAt(undefined, undefined);
-    if (oldParent)
-      UI.Widget._originalInsertBefore.call(oldParent, this.element, oldNextSibling);
-    else
-      UI.Widget._originalRemoveChild.call(document.body, this.element);
-    return result;
-  }
-
-  /**
    * @return {!UI.Constraints}
    */
   calculateConstraints() {
     return new UI.Constraints();
   }
 
   /**
    * @return {!UI.Constraints}
    */
   constraints() {
@@ skipping 212 matching lines @@
   UI.Widget.__assert(
       !child.__widgetCounter && !child.__widget,
       'Attempt to remove element containing widget via regular DOM operation');
   return UI.Widget._originalRemoveChild.call(this, child);
 };
 
 Element.prototype.removeChildren = function() {
   UI.Widget.__assert(!this.__widgetCounter, 'Attempt to remove element containing widget via regular DOM operation');
   UI.Widget._originalRemoveChildren.call(this);
 };