Adding synchronous measurement methods to Element.

tests/html/html.status

 # 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.
 
 window_open_test: Fail, Pass # http://dartbug.com/5151
 
 event_test: Skip  # Issue 1996
 webgl_1_test: Skip  # Issue 1495
 xmldocument_test: Skip  # XML in dart:html is incomplete
 xmlelement_test: Skip  # XML in dart:html is incomplete
@@ skipping 54 matching lines @@
 form_data_test: Fail # Issue 4793.
 form_element_test: Fail # Issue 4793.
 typed_arrays_1_test: Skip   # ie9 does not have typed arrays.
 typed_arrays_2_test: Skip
 typed_arrays_3_test: Skip
 typed_arrays_4_test: Skip
 typed_arrays_5_test: Skip
 typed_arrays_arraybuffer_test: Skip
 typed_arrays_dataview_test: Skip
 typed_arrays_range_checks_test: Fail
-element_test: Fail
+element_webkit_test: Fail
 localstorage_test: Fail
 node_test: Fail
 svgelement_test: Fail
 svgelement2_test: Fail
 websql_test: Fail # IE does not support web SQL
 #
 # Investigate and triage the following into bug reports.
 #
 audiobuffersourcenode_test: Fail
 audiocontext_test: Fail
@@ skipping 47 matching lines @@
 audiocontext_test: Fail
 blob_constructor_test: Fail
 canvas_pixel_array_type_alias_test: Fail
 canvas_test: Fail
 canvas_using_html_test: Fail
 datalistelement_test: Pass,Fail
 document_test: Fail
 dom_constructors_test: Fail
 element_add_test: Fail
 element_constructor_1_test: Fail
-element_test: Fail
+element_webkit_test: Fail
 exceptions_test: Fail
 instance_of_test: Fail
 mutationobserver_test: Fail
 native_gc_test: Fail
 node_test: Fail
 serialized_script_value_test: Fail
 svgelement2_test: Fail
 svgelement_test: Fail
 url_test: Fail
 
 [ $runtime == ff ]
 audiobuffersourcenode_test: Fail # FF only has Audio element.
 audiocontext_test: Fail      # FF only has Audio element
 css_test: Fail               # No analog to WebKitCSSMatrix
 canvas_test: Fail            # No setFillColor() method.  Use fillstyle attribute instead.
 canvas_using_html_test: Fail # No setFillColor() method.  Use fillstyle attribute instead.
 contentelement_test: Fail    # FF does not support content element.
 dart_object_local_storage_test: Skip  # sessionStorage NS_ERROR_DOM_NOT_SUPPORTED_ERR
 documentfragment_test: Fail
-element_test: Fail
+element_webkit_test: Fail
 exceptions_test: Fail      # Uses webkitotifications, no analogue in moz
 fileapi_test: Fail         # FF does not support filesystem APIs.
 indexeddb_1_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 indexeddb_2_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 indexeddb_3_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 indexeddb_4_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 # setup code fails. prepare. (DOM callback has errors) Caught [object Event]
 inner_frame_test: Skip
 # Interfaces not implemented: SVGTests, SVGLangSpace, SVGExternalResourcesRequired, SVGStylable
 svg_3_test: Fail
@@ skipping 54 matching lines @@
 
 [ $compiler == dart2js && $runtime == chrome && $system == windows]
 css_test: Pass, Fail # Issue #2823
 
 [ $compiler == dart2js && $runtime == ff && $system == windows]
 js_interop_2_test: Fail # Issue 4658.
 js_interop_3_test: Fail # Issue 4658.
 
 [ $compiler == dart2js && $checked && $browser]
 fileapi_test: Fail # TypeError: Object #<DirectoryEntry> has no method 'get$name'