[WK2][Qt][EFL] Move LayerBackingStore into common directory

[WK2][Qt][EFL] Move LayerBackingStore into common directory
https://bugs.webkit.org/show_bug.cgi?id=89838

Patch by YoungTaeck Song <youngtaeck.song@samsung.com> on 2012-06-25
Reviewed by Noam Rosenthal.

Move LayerBackingStore into 'Source/WebKit2/UIProcess/texmap' to be used by both Qt and Efl.

* Target.pri:
* UIProcess/texmap/LayerBackingStore.cpp: Renamed from Source/WebKit2/UIProcess/qt/LayerBackingStore.cpp.
(WebKit):
(WebKit::LayerBackingStoreTile::swapBuffers):
(WebKit::LayerBackingStoreTile::setBackBuffer):
(WebKit::LayerBackingStore::createTile):
(WebKit::LayerBackingStore::removeTile):
(WebKit::LayerBackingStore::updateTile):
(WebKit::LayerBackingStore::texture):
(WebKit::LayerBackingStore::paintToTextureMapper):
(WebKit::LayerBackingStore::commitTileOperations):
* UIProcess/texmap/LayerBackingStore.h: Renamed from Source/WebKit2/UIProcess/qt/LayerBackingStore.h.
(WebKit):
(LayerBackingStoreTile):
(WebKit::LayerBackingStoreTile::LayerBackingStoreTile):
(WebKit::LayerBackingStoreTile::scale):
(LayerBackingStore):
(WebKit::LayerBackingStore::create):
(WebKit::LayerBackingStore::LayerBackingStore):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121151 268f45cc-cd09-0410-ab3c-d52691b4dbfc