Reverting 25196, 25195, 25192.

tools/dom/templates/html/impl/impl_Element.darttemplate

Index: tools/dom/templates/html/impl/impl_Element.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_Element.darttemplate b/tools/dom/templates/html/impl/impl_Element.darttemplate
index abe094cfb5b92b196bbfc506aeddb2eb1eb39873..305d5f2af341c748ea9f57842856cecff93c9be6 100644
--- a/tools/dom/templates/html/impl/impl_Element.darttemplate
+++ b/tools/dom/templates/html/impl/impl_Element.darttemplate
@@ -157,8 +157,7 @@ class _ChildrenElementList extends ListBase<Element> {
 
 /**
  * An immutable list containing HTML elements. This list contains some
- * additional methods when compared to regular lists for ease of CSS 
- * manipulation on a group of elements.
+ * additional methods for ease of CSS manipulation on a group of elements.
  */
 abstract class ElementList<T extends Element> extends ListBase<T> {
   /**
@@ -175,63 +174,6 @@ abstract class ElementList<T extends Element> extends ListBase<T> {
 
   /** Replace the classes with `value` for every element in this list. */
   set classes(Iterable<String> value);
-
-  /** 
-   * Access dimensions and position of the Elements in this list.
-   * 
-   * Setting the height or width properties will set the height or width
-   * property for all elements in the list. This returns a rectangle with the 
-   * dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Getting the height or width returns the height or width of the
-   * first Element in this list. 
-   *
-   * Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not.
-   */
-  @Experimental()
-  CssRect get contentEdge;
-  
-  /**
-   * Access dimensions and position of the first Element's content + padding box
-   * in this list.
-   * 
-   * This returns a rectangle with the dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not. This
-   * can be used to retrieve jQuery's `innerHeight` value for an element. This
-   * is also a rectangle equalling the dimensions of clientHeight and
-   * clientWidth.
-   */
-  @Experimental()
-  CssRect get paddingEdge;
-
-  /**
-   * Access dimensions and position of the first Element's content + padding +
-   * border box in this list.
-   * 
-   * This returns a rectangle with the dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not. This
-   * can be used to retrieve jQuery's `outerHeight` value for an element.
-   */
-  @Experimental()
-  CssRect get borderEdge;
-
-  /**
-   * Access dimensions and position of the first Element's content + padding +
-   * border + margin box in this list.
-   * 
-   * This returns a rectangle with the dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not. This
-   * can be used to retrieve jQuery's `outerHeight` value for an element.
-   */
-  @Experimental()
-  CssRect get marginEdge;
 }
 
 // TODO(jacobr): this is an inefficient implementation but it is hard to see
@@ -240,12 +182,8 @@ abstract class ElementList<T extends Element> extends ListBase<T> {
 // contains Node objects that are not Elements.
 class _FrozenElementList<T extends Element> extends ListBase<T> implements ElementList {
   final List<Node> _nodeList;
-  // The subset of _nodeList that are Elements.
-  List<Element> _elementList;
 
-  _FrozenElementList._wrap(this._nodeList) {
-    _elementList = _nodeList.where((e) => e is Element).toList();
-  }
+  _FrozenElementList._wrap(this._nodeList);
 
   int get length => _nodeList.length;
 
@@ -269,19 +207,12 @@ class _FrozenElementList<T extends Element> extends ListBase<T> implements Eleme
 
   Element get single => _nodeList.single;
 
-  CssClassSet get classes => new _MultiElementCssClassSet(_elementList);
+  CssClassSet get classes => new _MultiElementCssClassSet(
+      _nodeList.where((e) => e is Element));
 
   void set classes(Iterable<String> value) {
-    _elementList.forEach((e) => e.classes = value);
+    _nodeList.where((e) => e is Element).forEach((e) => e.classes = value);
   }
-
-  CssRect get contentEdge => new _ContentCssListRect(_elementList);
-  
-  CssRect get paddingEdge => _elementList.first.paddingEdge;
-
-  CssRect get borderEdge => _elementList.first.borderEdge;
-
-  CssRect get marginEdge => _elementList.first.marginEdge;
 }
 
 /**
@@ -993,79 +924,6 @@ $endif
     TemplateElement.decorate(this);
   }
 
-  /**
-   * Access this element's content position.
-   * 
-   * This returns a rectangle with the dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not.
-   * 
-   * _Important_ _note_: use of this method _will_ perform CSS calculations that
-   * can trigger a browser reflow. Therefore, use of this property _during_ an 
-   * animation frame is discouraged. See also: 
-   * [Browser Reflow](https://developers.google.com/speed/articles/reflow)
-   */
-  @Experimental()
-  CssRect get contentEdge => new _ContentCssRect(this);
-  
-  /**
-   * Access the dimensions and position of this element's content + padding box.
-   * 
-   * This returns a rectangle with the dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not. This
-   * can be used to retrieve jQuery's
-   * [innerHeight](http://api.jquery.com/innerHeight/) value for an element. 
-   * This is also a rectangle equalling the dimensions of clientHeight and
-   * clientWidth.
-   * 
-   * _Important_ _note_: use of this method _will_ perform CSS calculations that
-   * can trigger a browser reflow. Therefore, use of this property _during_ an 
-   * animation frame is discouraged. See also: 
-   * [Browser Reflow](https://developers.google.com/speed/articles/reflow)
-   */
-  @Experimental()
-  CssRect get paddingEdge => new _PaddingCssRect(this);
-
-  /**
-   * Access the dimensions and position of this element's content + padding +
-   * border box.
-   * 
-   * This returns a rectangle with the dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not. This
-   * can be used to retrieve jQuery's
-   * [outerHeight](http://api.jquery.com/outerHeight/) value for an element.
-   * 
-   * _Important_ _note_: use of this method _will_ perform CSS calculations that 
-   * can trigger a browser reflow. Therefore, use of this property _during_ an 
-   * animation frame is discouraged. See also: 
-   * [Browser Reflow](https://developers.google.com/speed/articles/reflow)
-   */
-  @Experimental()
-  CssRect get borderEdge => new _BorderCssRect(this);
-
-  /**
-   * Access the dimensions and position of this element's content + padding +
-   * border + margin box.
-   * 
-   * This returns a rectangle with the dimenions actually available for content
-   * in this element, in pixels, regardless of this element's box-sizing 
-   * property. Unlike [getBoundingClientRect], the dimensions of this rectangle
-   * will return the same numerical height if the element is hidden or not. This
-   * can be used to retrieve jQuery's
-   * [outerHeight](http://api.jquery.com/outerHeight/) value for an element.
-   * 
-   * _Important_ _note_: use of this method will perform CSS calculations that
-   * can trigger a browser reflow. Therefore, use of this property _during_ an 
-   * animation frame is discouraged. See also: 
-   * [Browser Reflow](https://developers.google.com/speed/articles/reflow)
-   */
-  @Experimental()
-  CssRect get marginEdge => new _MarginCssRect(this);
 $!MEMBERS
 }