Add #define for Nsight compatibility

NVIDIA's Nsight tool is not compatible with certain GL calls. This
change places them behind a #define in GrGLGpu.cpp.

BUG=skia:

Change-Id: Id80ed291b6fe4fd777c5690b25d4fbb47de3c187
Reviewed-on: https://skia-review.googlesource.com/5281
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
1 file changed