Add back unseparated out version of method overloads in dart:html.

Add back unseparated out version of method overloads in dart:html.

BUG=
R=blois@google.com

Committed: https://code.google.com/p/dart/source/detail?r=29135

[Emily Fortuna, 2013-10-22 23:59:20]

Oh boy! It's our favorite part of dart:html. So basically this adds back the
default version that will always work, no matter what other signatures are added
or subtracted, and then we add in the specialized named versions.

[blois, 2013-10-23 21:31:30]

lgtm

FYI- the unified diffs usually still work with the upload issues. No worries if
the fancy view doesn't work.

[Emily Fortuna, 2013-10-24 00:02:18]

sending out for question to Juniper and/or Dan. 
No additional reviewing action needed on anyone's part.

https://codereview.chromium.org/34733007/diff/410001/tools/dom/docs/lib/docs....
File tools/dom/docs/lib/docs.dart (right):

https://codereview.chromium.org/34733007/diff/410001/tools/dom/docs/lib/docs....
tools/dom/docs/lib/docs.dart:27: 'dart:web_gl',
Dan, Juniper: Is there a reason web_gl wasn't included previously in the
documentation list here?

[Emily Fortuna, 2013-10-24 00:03:09]

sending out for question to Juniper and/or Dan. 
No additional reviewing action needed on anyone's part.

Please see comment at
https://codereview.chromium.org/34733007/diff/410001/tools/dom/docs/lib/docs....

[Emily Fortuna, 2013-10-24 00:07:57]

Committed patchset #3 manually as r29135 (presubmit successful).

[Andrei Mouravski, 2013-10-24 22:24:37]

https://codereview.chromium.org/34733007/diff/410001/tools/dom/docs/lib/docs....
File tools/dom/docs/lib/docs.dart (right):

https://codereview.chromium.org/34733007/diff/410001/tools/dom/docs/lib/docs....
tools/dom/docs/lib/docs.dart:27: 'dart:web_gl',
On 2013/10/24 00:02:20, Emily Fortuna wrote:
> Dan, Juniper: Is there a reason web_gl wasn't included previously in the
> documentation list here? 

A cane toad jumped on my keyboard and deleted just that one line.
No, there wasn't any reason that I can think of.