Refactor dart:_blink into classes to improve startup time

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

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of $LIBRARYNAME;
 
 class _ChildrenElementList extends ListBase<Element>
     implements NodeListWrapper {
   // Raw Element.
   final Element _element;
@@ skipping 1367 matching lines @@
   @DocsEditable()
   void set scrollTop(int value) => JS("void", "#.scrollTop = #", this, value.round());
 
   @DomName('Element.scrollWidth')
   @DocsEditable()
   int get scrollWidth => JS('num', '#.scrollWidth', this).round();
 
 $else
   @DomName('Element.offsetHeight')
   @DocsEditable()
-  int get offsetHeight => _blink.Native_Element_offsetHeight_Getter(this).round();
+  int get offsetHeight => _blink.BlinkElement.$offsetHeight_Getter(this).round();
 
   @DomName('Element.offsetLeft')
   @DocsEditable()
-  int get offsetLeft => _blink.Native_Element_offsetLeft_Getter(this).round();
+  int get offsetLeft => _blink.BlinkElement.$offsetLeft_Getter(this).round();
 
   @DomName('Element.offsetTop')
   @DocsEditable()
-  int get offsetTop => _blink.Native_Element_offsetTop_Getter(this).round();
+  int get offsetTop => _blink.BlinkElement.$offsetTop_Getter(this).round();
 
   @DomName('Element.offsetWidth')
   @DocsEditable()
-  int get offsetWidth => _blink.Native_Element_offsetWidth_Getter(this).round();
+  int get offsetWidth => _blink.BlinkElement.$offsetWidth_Getter(this).round();
 
   @DomName('Element.clientHeight')
   @DocsEditable()
-  int get clientHeight => _blink.Native_Element_clientHeight_Getter(this).round();
+  int get clientHeight => _blink.BlinkElement.$clientHeight_Getter(this).round();
 
   @DomName('Element.clientLeft')
   @DocsEditable()
-  int get clientLeft => _blink.Native_Element_clientLeft_Getter(this).round();
+  int get clientLeft => _blink.BlinkElement.$clientLeft_Getter(this).round();
 
   @DomName('Element.clientTop')
   @DocsEditable()
-  int get clientTop => _blink.Native_Element_clientTop_Getter(this).round();
+  int get clientTop => _blink.BlinkElement.$clientTop_Getter(this).round();
 
   @DomName('Element.clientWidth')
   @DocsEditable()
-  int get clientWidth => _blink.Native_Element_clientWidth_Getter(this).round();
+  int get clientWidth => _blink.BlinkElement.$clientWidth_Getter(this).round();
 
   @DomName('Element.scrollHeight')
   @DocsEditable()
-  int get scrollHeight => _blink.Native_Element_scrollHeight_Getter(this).round();
+  int get scrollHeight => _blink.BlinkElement.$scrollHeight_Getter(this).round();
 
   @DomName('Element.scrollLeft')
   @DocsEditable()
-  int get scrollLeft => _blink.Native_Element_scrollLeft_Getter(this).round();
+  int get scrollLeft => _blink.BlinkElement.$scrollLeft_Getter(this).round();
 
   @DomName('Element.scrollLeft')
   @DocsEditable()
-  void set scrollLeft(int value) => _blink.Native_Element_scrollLeft_Setter(this, value.round());
+  void set scrollLeft(int value) => _blink.BlinkElement.$scrollLeft_Setter(this, value.round());
 
   @DomName('Element.scrollTop')
   @DocsEditable()
-  int get scrollTop => _blink.Native_Element_scrollTop_Getter(this).round();
+  int get scrollTop => _blink.BlinkElement.$scrollTop_Getter(this).round();
 
   @DomName('Element.scrollTop')
   @DocsEditable()
-  void set scrollTop(int value) => _blink.Native_Element_scrollTop_Setter(this, value.round());
+  void set scrollTop(int value) => _blink.BlinkElement.$scrollTop_Setter(this, value.round());
 
   @DomName('Element.scrollWidth')
   @DocsEditable()
-  int get scrollWidth => _blink.Native_Element_scrollWidth_Getter(this).round();
+  int get scrollWidth => _blink.BlinkElement.$scrollWidth_Getter(this).round();
 $endif
 
 $!MEMBERS
 }
 
 
 class _ElementFactoryProvider {
 
   @DomName('Document.createElement')
 $if DART2JS
@@ skipping 27 matching lines @@
   const ScrollAlignment._internal(this._value);
   toString() => 'ScrollAlignment.$_value';
 
   /// Attempt to align the element to the top of the scrollable area.
   static const TOP = const ScrollAlignment._internal('TOP');
   /// Attempt to center the element in the scrollable area.
   static const CENTER = const ScrollAlignment._internal('CENTER');
   /// Attempt to align the element to the bottom of the scrollable area.
   static const BOTTOM = const ScrollAlignment._internal('BOTTOM');
 }