When getUniformInternal detected a mismatch between the glGetUniform type and the uniform type, it entered a code path where it wrongly wrote the whole array instead of a single element, causing a buffer overflow. Adds a regression test. BUG=595836 Change-Id: Id7372faece276d28363a30bf3183497d97357c76 Reviewed-on: https://chromium-review.googlesource.com/333771Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/334394Reviewed-by: Corentin Wallez <cwallez@chromium.org>
