[Chromium] GL_EXT_occlusion_query_boolean and GL_CHROMIUM_command_buffer_query support.

[Chromium] GL_EXT_occlusion_query_boolean and GL_CHROMIUM_command_buffer_query support.
https://bugs.webkit.org/show_bug.cgi?id=80988

Patch by David Reveman <reveman@chromium.org> on 2012-03-19
Reviewed by Adrienne Walker.

Source/Platform:

Add EXT_occlusion_query API to WebGraphicsContext3D.

* chromium/public/WebGraphicsContext3D.h:
(WebGraphicsContext3D):

Source/WebCore:

Expose EXT_occlusion_query API to WebKit compositor. Add
GL_EXT_occlusion_query_boolean and GL_CHROMIUM_command_buffer_query
enums.

* platform/graphics/chromium/Extensions3DChromium.h:
(Extensions3DChromium):

Source/WebKit/chromium:

Expose EXT_occlusion_query API to WebKit compositor.

* src/Extensions3DChromium.cpp:
(WebCore::Extensions3DChromium::createQueryEXT):
(WebCore):
(WebCore::Extensions3DChromium::deleteQueryEXT):
(WebCore::Extensions3DChromium::isQueryEXT):
(WebCore::Extensions3DChromium::beginQueryEXT):
(WebCore::Extensions3DChromium::endQueryEXT):
(WebCore::Extensions3DChromium::getQueryivEXT):
(WebCore::Extensions3DChromium::getQueryObjectuivEXT):
* src/GraphicsContext3DChromium.cpp:
(WebCore):
* src/GraphicsContext3DPrivate.h:
(GraphicsContext3DPrivate):
* tests/FakeWebGraphicsContext3D.h:
(WebKit::FakeWebGraphicsContext3D::createQueryEXT):
(WebKit::FakeWebGraphicsContext3D::deleteQueryEXT):
(WebKit::FakeWebGraphicsContext3D::isQueryEXT):
(WebKit::FakeWebGraphicsContext3D::beginQueryEXT):
(WebKit::FakeWebGraphicsContext3D::endQueryEXT):
(WebKit::FakeWebGraphicsContext3D::getQueryivEXT):
(WebKit::FakeWebGraphicsContext3D::getQueryObjectuivEXT):
(FakeWebGraphicsContext3D):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@111207 268f45cc-cd09-0410-ab3c-d52691b4dbfc