Revert of https://codereview.chromium.org/100723003/ Reason for revert: Performance regression in calls to getAttribute.
Revert of https://codereview.chromium.org/100723003/
Reason for revert: Performance regression in calls to getAttribute.

BUG=328347
TBR=ojan@chromium.org,eseidel@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/115403002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@163880 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs