[GTK] Remove the GLib unicode backend
https://bugs.webkit.org/show_bug.cgi?id=109627

Patch by Martin Robinson <mrobinson@igalia.com> on 2013-02-12
Reviewed by Benjamin Poulain.

.:

Remove references to the GLib unicode backend from configuration.

* Source/autotools/FindDependencies.m4:
* Source/autotools/ReadCommandLineArguments.m4:
* Source/autotools/SetupAutoconfHeader.m4:
* Source/autotools/SetupAutomake.m4:

Source/WebCore:

Remove references to the GLib unicode backend from WebCore.

* GNUmakefile.list.am: Update the source list.
* platform/text/gtk/TextBreakIteratorGtk.cpp: Removed.
* platform/text/gtk/TextCodecGtk.cpp: Removed.
* platform/text/gtk/TextCodecGtk.h: Removed.

Source/WTF:

Remove references to the GLib unicode backend from WTF.

* GNUmakefile.list.am: Remove GLib unicode files from the source list.
* wtf/unicode/glib/UnicodeGLib.cpp: Removed.
* wtf/unicode/glib/UnicodeGLib.h: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142724 268f45cc-cd09-0410-ab3c-d52691b4dbfc