Revert "Update HasOverflowClip for body after style recalc."

This reverts commit 826817e52d02 (http://crrev.com/480824).

Reason for revert: Identified as cause of crash regression in
http://crbug.com/735371.

TBR=rbyers@chromium.org,rune@opera.com,dtapuska@chromium.org
Bug: 665927, 735371

Change-Id: I1721851eb654e14fb3a697acce1f5c6f0cc2fdcb
Reviewed-on: https://chromium-review.googlesource.com/543540
Reviewed-by: Steve Kobes <skobes@chromium.org>
Commit-Queue: Steve Kobes <skobes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#481289}
diff --git a/cssom-view/HTMLBody-ScrollArea_quirksmode.html b/cssom-view/HTMLBody-ScrollArea_quirksmode.html
index 8255d13..46fd501 100644
--- a/cssom-view/HTMLBody-ScrollArea_quirksmode.html
+++ b/cssom-view/HTMLBody-ScrollArea_quirksmode.html
@@ -44,8 +44,6 @@
     assert_equals(document.body.style.overflowY, "scroll", "Could not set document.body.style.overflowY to 'scroll'.");
     document.documentElement.style.overflowY = "scroll";
     assert_equals(document.documentElement.style.overflowY, "scroll", "Could not set document.documentElement.style.overflow to 'scroll'.");
-    document.documentElement.style.overflowY = "";
-    document.body.style.overflowY = "";
 }, "Ensure that style.overflowY can be set properly.")
 
 test(function() {