[GTK] Mac defaults are used for key shortcuts on Linux
https://bugs.webkit.org/show_bug.cgi?id=162564

Don't set Mac's default keymap as a fallthrough for CodeMirror when we
are not on Mac.

Patch by Tomas Popela <tpopela@redhat.com> on 2016-09-27
Reviewed by Carlos Garcia Campos.

* UserInterface/Test.html: Include Platform.js for the
WebInspector.Platform definition.
* UserInterface/Views/CodeMirrorAdditions.js:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@206426 268f45cc-cd09-0410-ab3c-d52691b4dbfc
3 files changed