[GTK][AC] Clutter required version up to 1.12

[GTK][AC] Clutter required version up to 1.12
https://bugs.webkit.org/show_bug.cgi?id=109037

Patch by ChangSeok Oh <shivamidow@gmail.com> on 2013-02-07
Reviewed by Martin Robinson.

.:

The clutter requried version is changed to 1.12.

* configure.ac:

Source/WebCore:

Replace deprecated clutter apis with new ones.

No new tests, since this patch is minor refactoring.

* platform/graphics/clutter/GraphicsLayerActor.cpp:
(graphicsLayerActorSetAnchorPoint):
* platform/graphics/clutter/GraphicsLayerClutter.cpp:
(WebCore::idleDestroy):
(WebCore::GraphicsLayerClutter::updateSublayerList):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@142172 268f45cc-cd09-0410-ab3c-d52691b4dbfc