Revert of Use removeFontFace to avoid resetting fontSelector.

Revert of Use removeFontFace to avoid resetting fontSelector. (https://codereview.chromium.org/82583005/)

Reason for revert:
This CL appears to have broken

org.chromium.android_webview.test.AwSettingsTest#testLayoutAlgorithmWithTwoViews

in androidwebview_instrumentation_tests.

http://build.chromium.org/p/chromium.webkit/builders/Android%20Tests%20%28dbg%29/builds/17264

Original issue's description:
> Use removeFontFace to avoid resetting fontSelector.
> 
> BUG=305885, 336756
> TEST=fast/css/font-face-remove.html, fast/css/font-face-html-as-svg.html
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=166681

TBR=ksakamoto@chromium.org,esprehn@chromium.org,ojan@chromium.org,dglazkov@chromium.org,tasak@google.com
NOTREECHECKS=true
NOTRY=true
BUG=305885, 336756
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=166732

[abarth-chromium, 2014-02-07 19:38:44]

Created Revert of Use removeFontFace to avoid resetting fontSelector.

[commit-bot: I haz the power, 2014-02-07 19:38:53]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/abarth@chromium.org/157853002/1

[commit-bot: I haz the power, 2014-02-07 19:39:32]

Change committed as 166732