Revert of Add use counters for using Attrs as Nodes.

Revert of Add use counters for using Attrs as Nodes. (https://codereview.chromium.org/127723002/)

Reason for revert:
Adding use counters for using Attrs as Nodes regressed dom perf and others.

BUG=335750
Original issue's description:
> Add use counters for using Attrs as Nodes.
> 
> DOM4 makes Attr no longer be a subtype of Node. This adds a use
> counter for passing Attr where Node is expected, or calling a method
> declared on Node with an Attr.
> 
> BUG=305105
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=165262

TBR=abarth@chromium.org,eseidel@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=305105
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=165372

[dominicc (has gone to gerrit), 2014-01-19 23:17:31]

Created Revert of Add use counters for using Attrs as Nodes.

[commit-bot: I haz the power, 2014-01-19 23:17:41]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/dominicc@chromium.org/130703003/1

[commit-bot: I haz the power, 2014-01-19 23:17:44]

Failed to apply patch for Source/core/frame/UseCounter.h:
While running patch -p1 --forward --force --no-backup-if-mismatch;
  patching file Source/core/frame/UseCounter.h
  Hunk #1 FAILED at 285.
  1 out of 1 hunk FAILED -- saving rejects to file
Source/core/frame/UseCounter.h.rej

Patch:       Source/core/frame/UseCounter.h
Index: Source/core/frame/UseCounter.h
diff --git a/Source/core/frame/UseCounter.h b/Source/core/frame/UseCounter.h
index
75ab6fd3083ef34866d7fa04013d0788a7e3606f..64cd844654c1eee630083dc2c6931e5d1344d23a
100644
--- a/Source/core/frame/UseCounter.h
+++ b/Source/core/frame/UseCounter.h
@@ -285,8 +285,6 @@
         ElementSetPrefix, // Element.prefix is readonly in DOM4.
         CSSStyleDeclarationGetPropertyCSSValue,
         SVGElementGetPresentationAttribute,
-        AttrUsedAsNodeParameter,
-        AttrUsedAsNodeReceiver,
         // Add new features immediately above this line. Don't change assigned
         // numbers of each items, and don't reuse unused slots.
         NumberOfFeatures, // This enum value must be last.

[commit-bot: I haz the power, 2014-01-19 23:33:55]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/dominicc@chromium.org/130703003/130001

[commit-bot: I haz the power, 2014-01-19 23:35:00]

Change committed as 165372