Web Inspector: REGRESSION (r195723): Improve support for resources with '\r' and...

Web Inspector: REGRESSION (r195723): Improve support for resources with '\r' and '\r\n' line endings
https://bugs.webkit.org/show_bug.cgi?id=186453
<rdar://problem/39689180>

Reviewed by Joseph Pecoraro.

Now that the frontend no longer uses offsets from the original source
file to calculate positions within CodeMirror, it is possible to support
resources with '\r' and '\r\n' line endings in the editor.

* UserInterface/Views/CodeMirrorEditor.js:
(WI.CodeMirrorEditor.create):
(WI.CodeMirrorEditor):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@233824 268f45cc-cd09-0410-ab3c-d52691b4dbfc