[WebGL][Tests] ShaderwithVaryings test fails.

[kalyankondapally]

Launch WebGLConformance tests in browser (Ver 1.0.2).
Run ShaderwithVaryings test. (under misc section)

Expected result:
Test passed.

Actual result:
Test failed.

Dependency: None.
Blocks: #143 .
SubTasks: None.
Works on Chromium-X11: Yes.
Drivers: Mesa 10.0.

[kalyankondapally]

Error in console:

[2961:2961:1208/010809:INFO:CONSOLE(44)] "* Error linking program '[object WebGLProgram]':Varyings with the same name but different type, or statically used varyings in fragment shader are not declared in vertex shader", source: https://www.khronos.org/registry/webgl/conformance-suites/1.0.2/conformance/resources/glsl-conformance-test.js (44)
[2961:2961:1208/010809:INFO:CONSOLE(44)] "* Error linking program '[object WebGLProgram]':error: fragment shader varying v_varying not written by vertex shader
.", source: https://www.khronos.org/registry/webgl/conformance-suites/1.0.2/conformance/resources/glsl-conformance-test.js (44)

[kalyankondapally]

Ongoing discussion here: http://lists.freedesktop.org/archives/mesa-dev/2014-September/067801.html

[kalyankondapally]

FIxed upstream Mesa
http://cgit.freedesktop.org/mesa/mesa/commit/?id=16b53005a7df4249fecb6641af0934c32181fdea