Remove dead code: getCharactersWithUpconvert

There are no callers of this function.

R=adamk

Review URL: https://chromiumcodereview.appspot.com/17963002

git-svn-id: svn://svn.chromium.org/blink/trunk@153109 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Count document.all usage.

IE11 is going to drop document.all support [1]. We'd like to check
if we can drop it too.

[1] http://msdn.microsoft.com/en-us/library/ie/bg182625(v=vs.85).aspx#legacyAPIs

BUG=

Review URL: https://chromiumcodereview.appspot.com/17972002

git-svn-id: svn://svn.chromium.org/blink/trunk@153110 bbb929c8-8fbe-4397-9dbb-9b2b20218538