Deprecate Element.offsetParent/offsetTop/offsetLeft/offsetWidth/offsetHeight

Source/core/dom/Element.idl

Index: Source/core/dom/Element.idl
diff --git a/Source/core/dom/Element.idl b/Source/core/dom/Element.idl
index 2d0574cfa815845e8441d21b7fbdeb810a129890..4d09892ded504628052b5587ef9a6e27910deea5 100644
--- a/Source/core/dom/Element.idl
+++ b/Source/core/dom/Element.idl
@@ -97,11 +97,11 @@
     readonly attribute long clientHeight;
     // http://dev.w3.org/csswg/cssom-view/#extensions-to-the-htmlelement-interface
     // FIXME: offset* should only be on HTMLElement.

[philipj_slow, 2015/07/08 12:16:20]

Add crbug.com/504578 to the end of this comment.

[tanay.c, 2015/07/10 09:07:20]

Done.

-    [MeasureAs=ElementOffsetParent, PerWorldBindings] readonly attribute Element? offsetParent;
-    [MeasureAs=ElementOffsetTop] readonly attribute long offsetTop;
-    [MeasureAs=ElementOffsetLeft] readonly attribute long offsetLeft;
-    [MeasureAs=ElementOffsetWidth] readonly attribute long offsetWidth;
-    [MeasureAs=ElementOffsetHeight] readonly attribute long offsetHeight;
+    [DeprecateAs=ElementOffsetParent, PerWorldBindings] readonly attribute Element? offsetParent;
+    [DeprecateAs=ElementOffsetTop] readonly attribute long offsetTop;
+    [DeprecateAs=ElementOffsetLeft] readonly attribute long offsetLeft;
+    [DeprecateAs=ElementOffsetWidth] readonly attribute long offsetWidth;
+    [DeprecateAs=ElementOffsetHeight] readonly attribute long offsetHeight;
 
     // Non-standard APIs
     // https://www.w3.org/Bugs/Public/show_bug.cgi?id=19962