Remove the concept of document.documentElement

sky/engine/core/dom/Element.cpp

Index: sky/engine/core/dom/Element.cpp
diff --git a/sky/engine/core/dom/Element.cpp b/sky/engine/core/dom/Element.cpp
index d97f2d2f22168c1c8a000f6af640f661adb22365..276310d3893e6a78c4655683f0792f8b484cce10 100644
--- a/sky/engine/core/dom/Element.cpp
+++ b/sky/engine/core/dom/Element.cpp
@@ -371,12 +371,6 @@ int Element::clientWidth()
 {
     document().updateLayout();
 
-    // FIXME(sky): Can we just use getBoundingClientRect() instead?
-    if (document().documentElement() == this) {
-        if (FrameView* view = document().view())
-            return view->layoutSize().width();
-    }
-
     if (RenderBox* renderer = renderBox())
         return renderer->pixelSnappedClientWidth();
     return 0;
@@ -386,12 +380,6 @@ int Element::clientHeight()
 {
     document().updateLayout();
 
-    // FIXME(sky): Can we just use getBoundingClientRect() instead?
-    if (document().documentElement() == this) {
-        if (FrameView* view = document().view())
-            return view->layoutSize().height();
-    }
-
     if (RenderBox* renderer = renderBox())
         return renderer->pixelSnappedClientHeight();
     return 0;