Attempt to clean up requiresLayoutToDetermineWidth to be more clear

Source/core/dom/Element.cpp

Index: Source/core/dom/Element.cpp
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index 56e69b05bac772a198385b665d19f8c410ddd634..63d0b492f90e2bd08e3ff9d622a8e20e183bc887 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -589,7 +589,7 @@ int Element::offsetWidth()
     document().updateStyleForNodeIfNeeded(this);
 
     if (RenderBox* renderer = renderBox()) {
-        if (!renderer->requiresLayoutToDetermineWidth())
+        if (renderer->canDetermineWidthWithoutLayout())
             return adjustLayoutUnitForAbsoluteZoom(renderer->fixedOffsetWidth(), renderer).round();
     }