Unreviewed. Update OptionsGTK.cmake and NEWS for 2.27.3 release

.:

* Source/cmake/OptionsGTK.cmake: Bump version numbers.

Source/WebKit:

* gtk/NEWS: Add release notes for 2.27.3.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@252886 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/ChangeLog b/ChangeLog
index 309af19..f064de0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2019-11-26  Carlos Garcia Campos  <cgarcia@igalia.com>
+
+        Unreviewed. Update OptionsGTK.cmake and NEWS for 2.27.3 release
+
+        * Source/cmake/OptionsGTK.cmake: Bump version numbers.
+
 2019-11-20  ChangSeok Oh  <changseok@webkit.org>
 
         [GTK] Add ANGLE backend to GTK port