TextIterator shouldn't use bloatedCharacters()
TextIterator shouldn't use bloatedCharacters()

These are two easy cases in TextIterator. There are a number of harder cases
that we'll need to work on in later CLs.

R=eseidel
BUG=254708

Review URL: https://chromiumcodereview.appspot.com/18489002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@153412 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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