Add WebGL Conformance Tests state, renderbuffers, and reading folders.
https://bugs.webkit.org/show_bug.cgi?id=109121

Reviewed by Kenneth Russell.

* webgl/conformance/reading/read-pixels-pack-alignment-expected.txt: Added.
* webgl/conformance/reading/read-pixels-pack-alignment.html: Added.
* webgl/conformance/renderbuffers/framebuffer-state-restoration-expected.txt: Added.
* webgl/conformance/renderbuffers/framebuffer-state-restoration.html: Added.
* webgl/conformance/renderbuffers/framebuffer-test-expected.txt: Added.
* webgl/conformance/renderbuffers/framebuffer-test.html: Added.
* webgl/conformance/renderbuffers/renderbuffer-initialization-expected.txt: Added.
* webgl/conformance/renderbuffers/renderbuffer-initialization.html: Added.
* webgl/conformance/state/gl-enable-enum-test-expected.txt: Added.
* webgl/conformance/state/gl-enable-enum-test.html: Added.
* webgl/conformance/state/gl-enum-tests-expected.txt: Added.
* webgl/conformance/state/gl-enum-tests.html: Added.
* webgl/conformance/state/gl-get-calls-expected.txt: Added.
* webgl/conformance/state/gl-get-calls.html: Added.
* webgl/conformance/state/gl-geterror-expected.txt: Added.
* webgl/conformance/state/gl-geterror.html: Added.
* webgl/conformance/state/gl-getstring-expected.txt: Added.
* webgl/conformance/state/gl-getstring.html: Added.
* webgl/resources/webgl_test_files/conformance/reading/00_test_list.txt: Added.
* webgl/resources/webgl_test_files/conformance/reading/read-pixels-pack-alignment.html: Added.
* webgl/resources/webgl_test_files/conformance/renderbuffers/00_test_list.txt: Added.
* webgl/resources/webgl_test_files/conformance/renderbuffers/framebuffer-state-restoration.html: Added.
* webgl/resources/webgl_test_files/conformance/renderbuffers/framebuffer-test.html: Added.
* webgl/resources/webgl_test_files/conformance/renderbuffers/renderbuffer-initialization.html: Added.
* webgl/resources/webgl_test_files/conformance/state/00_test_list.txt: Added.
* webgl/resources/webgl_test_files/conformance/state/gl-enable-enum-test.html: Added.
* webgl/resources/webgl_test_files/conformance/state/gl-enum-tests.html: Added.
* webgl/resources/webgl_test_files/conformance/state/gl-get-calls.html: Added.
* webgl/resources/webgl_test_files/conformance/state/gl-geterror.html: Added.
* webgl/resources/webgl_test_files/conformance/state/gl-getstring.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142104 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed build fix after r141196 for 32 bits autotools.

* Source/autotools/symbols.filter: restore 32 bits version of the
WebCore::TextIterator::getLocationAndLengthFromRange(WebCore::Node*,
WebCore::Range const*, unsigned int&, unsigned int&) symbol.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142105 268f45cc-cd09-0410-ab3c-d52691b4dbfc