[chromium] Revert changes which added setResourceUsageCHROMIUM gl extension since...

[chromium] Revert changes which added setResourceUsageCHROMIUM gl extension since feature changed directions
https://bugs.webkit.org/show_bug.cgi?id=77120

Patch by Michal Mocny <mmocny@google.com> on 2012-01-26
Reviewed by Kenneth Russell.

* public/platform/WebGraphicsContext3D.h:
(WebGraphicsContext3D):
* src/GraphicsContext3DChromium.cpp:
(WebCore):
* tests/FakeWebGraphicsContext3D.h:
(WebKit::FakeWebGraphicsContext3D::setVisibilityCHROMIUM):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@106074 268f45cc-cd09-0410-ab3c-d52691b4dbfc