Add GL_PROGRAM_COMPLETION_QUERY_CHROMIUM

This makes the query of GL_COMPLETION_STATUS_KHR to programs much
cheaper by minimizing the round-trip to the GPU thread.

Bug: 881152, 957001
Change-Id: Iadfa798af29225e752c710ca5c25f50b3dd3101a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1586630
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#657568}
ScopedResolvedFramebufferBinder::~ScopedResolvedFramebufferBinder() {
  if (!resolve_and_bind_)
    return;

  ScopedGLErrorSuppressor suppressor("ScopedResolvedFramebufferBinder::dtor",
                                     decoder_->error_state_.get());
  decoder_->RestoreCurrentFramebufferBindings();
  if (decoder_->state_.enable_flags.scissor_test) {
    decoder_->state_.SetDeviceCapabilityState(GL_SCISSOR_TEST, true);
    decoder_->RestoreDeviceWindowRectangles();
  }
}

ScopedResolvedFramebufferBinder::~ScopedResolvedFramebufferBinder() {
  if (!resolve_and_bind_)
    return;

  ScopedGLErrorSuppressor suppressor("ScopedResolvedFramebufferBinder::dtor",
                                     decoder_->error_state_.get());
  decoder_->RestoreCurrentFramebufferBindings();
  if (decoder_->state_.enable_flags.scissor_test) {
    decoder_->state_.SetDeviceCapabilityState(GL_SCISSOR_TEST, true);
    decoder_->RestoreDeviceWindowRectangles();
  }
}
