Web Inspector: problem with Ctrl - <arrows> shortcuts in Scripts panel

Web Inspector: problem with Ctrl - <arrows> shortcuts in Scripts panel
https://bugs.webkit.org/show_bug.cgi?id=76622

Reviewed by Yury Semikhatsky.

* inspector/front-end/InspectorView.js:
(WebInspector.InspectorView.prototype._keyDown):
* inspector/front-end/TextViewer.js:
(WebInspector.TextViewer.prototype.set readOnly):
(WebInspector.TextViewer.prototype._cancelEditing):
(WebInspector.TextViewer.prototype.wasShown):
(WebInspector.TextViewer.prototype.willHide):
* inspector/front-end/UIUtils.js:
(WebInspector.isInEditMode):
* inspector/front-end/inspector.js:
(WebInspector.documentKeyDown):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@105488 268f45cc-cd09-0410-ab3c-d52691b4dbfc