Add WebGL Conformance Tests context folder.
https://bugs.webkit.org/show_bug.cgi?id=109114

Reviewed by Kenneth Russell.

* webgl/conformance/context/constants-expected.txt: Added.
* webgl/conformance/context/constants.html: Added.
* webgl/conformance/context/context-attributes-alpha-depth-stencil-antialias-expected.txt: Added.
* webgl/conformance/context/context-attributes-alpha-depth-stencil-antialias.html: Added.
* webgl/conformance/context/context-lost-expected.txt: Added.
* webgl/conformance/context/context-lost-restored-expected.txt: Added.
* webgl/conformance/context/context-lost-restored.html: Added.
* webgl/conformance/context/context-lost.html: Added.
* webgl/conformance/context/context-release-upon-reload-expected.txt: Added.
* webgl/conformance/context/context-release-upon-reload.html: Added.
* webgl/conformance/context/context-release-with-workers-expected.txt: Added.
* webgl/conformance/context/context-release-with-workers.html: Added.
* webgl/conformance/context/context-type-test-expected.txt: Added.
* webgl/conformance/context/context-type-test.html: Added.
* webgl/conformance/context/incorrect-context-object-behaviour-expected.txt: Added.
* webgl/conformance/context/incorrect-context-object-behaviour.html: Added.
* webgl/conformance/context/methods-expected.txt: Added.
* webgl/conformance/context/methods.html: Added.
* webgl/conformance/context/premultiplyalpha-test-expected.txt: Added.
* webgl/conformance/context/premultiplyalpha-test.html: Added.
* webgl/conformance/context/resource-sharing-test-expected.txt: Added.
* webgl/conformance/context/resource-sharing-test.html: Added.
* webgl/resources/webgl_test_files/conformance/context/00_test_list.txt: Added.
* webgl/resources/webgl_test_files/conformance/context/constants.html: Added.
* webgl/resources/webgl_test_files/conformance/context/context-attributes-alpha-depth-stencil-antialias.html: Added.
* webgl/resources/webgl_test_files/conformance/context/context-lost-restored.html: Added.
* webgl/resources/webgl_test_files/conformance/context/context-lost.html: Added.
* webgl/resources/webgl_test_files/conformance/context/context-release-upon-reload.html: Added.
* webgl/resources/webgl_test_files/conformance/context/context-release-with-workers.html: Added.
* webgl/resources/webgl_test_files/conformance/context/context-type-test.html: Added.
* webgl/resources/webgl_test_files/conformance/context/incorrect-context-object-behaviour.html: Added.
* webgl/resources/webgl_test_files/conformance/context/methods.html: Added.
* webgl/resources/webgl_test_files/conformance/context/premultiplyalpha-test.html: Added.
* webgl/resources/webgl_test_files/conformance/context/resource-sharing-test.html: Added.
* webgl/resources/webgl_test_files/conformance/context/resources/context-release-child-with-worker.html: Added.
* webgl/resources/webgl_test_files/conformance/context/resources/context-release-upon-reload-child.html: Added.
* webgl/resources/webgl_test_files/conformance/context/resources/context-release-worker.js: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142098 268f45cc-cd09-0410-ab3c-d52691b4dbfc