Web Inspector: [CodeMirror] bug with LineWidgets
https://bugs.webkit.org/show_bug.cgi?id=111978

Patch by Andrey Lushnikov <lushnikov@chromium.org> on 2013-03-13
Reviewed by Vsevolod Vlasov.

Implement CodeMirrorTextEditor.beginUpdates and
CodeMirrorTextEditor.endUpdates and surround decoration creation
with the beginUpdates/endUpdates calls.

No new tests.

* inspector/front-end/CodeMirrorTextEditor.js:
(WebInspector.CodeMirrorTextEditor):
(WebInspector.CodeMirrorTextEditor.prototype.beginUpdates):
(WebInspector.CodeMirrorTextEditor.prototype.endUpdates):
* inspector/front-end/SourceFrame.js:
(WebInspector.SourceFrame.prototype.addMessageToSource):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145723 268f45cc-cd09-0410-ab3c-d52691b4dbfc