Web Inspector: [CodeMirror] show source location for codemirror text editor
https://bugs.webkit.org/show_bug.cgi?id=112798

Patch by Andrey Lushnikov <lushnikov@chromium.org> on 2013-03-20
Reviewed by Vsevolod Vlasov.

No new tests.

- Implement CodeMirrorTextEditor.copyRange method
- Fire "selectionChange" event for text editor delegate from
CodeMirrorTextEditor.

* inspector/front-end/CodeMirrorTextEditor.js:
(WebInspector.CodeMirrorTextEditor):
(WebInspector.CodeMirrorTextEditor.prototype.copyRange):
(WebInspector.CodeMirrorTextEditor.prototype._cursorActivity):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146341 268f45cc-cd09-0410-ab3c-d52691b4dbfc