[Webgl-chromium] Test to validate glinfo when webglcontext fails.
Now we read the GPU(Vendor,Renderer,Driver info) from
chromium side and send it as part of status message when
EventTypeNames::webglcontextcreationerror is being sent.
This patch introduces the test for the above functionality.
forceNextWebGLContextCreationToFail(bool) is introduced
to fail the webgl context forcefully from JS-test runner
utility.
The below cl uses the test-runner code in this patch
https://codereview.chromium.org/706193003/
BUG=412400
Review URL: https://codereview.chromium.org/706193003
Cr-Commit-Position: refs/heads/master@{#304143}
2 files changed
