[CoordGfx] Minor cleanup in CoordinatedGraphicsScene::paintToGraphicsContext
https://bugs.webkit.org/show_bug.cgi?id=109824

Reviewed by Andreas Kling.

Avoid ugly ifdefs by using PlatformGraphicsContext.

Source/WebCore:

No new tests, only refactoring.

* platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.cpp:
(WebCore::CoordinatedGraphicsScene::paintToGraphicsContext):
* platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.h:
(CoordinatedGraphicsScene):

Source/WebKit2:

* UIProcess/API/efl/EwkView.cpp:
(EwkView::displayTimerFired):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143714 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed preventive buildfix after my last commit.

* UIProcess/API/efl/EwkView.cpp:
* UIProcess/efl/WebView.cpp:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143715 268f45cc-cd09-0410-ab3c-d52691b4dbfc