//gpu: rename switch to --ignore-gpu-blocklist

This switches is a relatively well known switch, so the old version is
kept around and produces a deprecation LOG(ERROR) when used.

Bug: chromium:1101491
Change-Id: I89aea90514bfe3a6c5a52e960b8e9434520ffbfd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2289414
Commit-Queue: Corentin Wallez <[email protected]>
Reviewed-by: Sean Topping <[email protected]>
Reviewed-by: Daniel Cheng <[email protected]>
Reviewed-by: Kenneth Russell <[email protected]>
Reviewed-by: Colin Blundell <[email protected]>
Cr-Commit-Position: refs/heads/master@{#788661}
diff --git a/docs/gpu/debugging_gpu_related_code.md b/docs/gpu/debugging_gpu_related_code.md
index 27f3c2ce..af232c3 100644
--- a/docs/gpu/debugging_gpu_related_code.md
+++ b/docs/gpu/debugging_gpu_related_code.md
@@ -56,7 +56,7 @@
 **Note:** If `about:gpu` is telling you that your GPU is disabled and
 hardware acceleration is unavailable, it might be a problem with your GPU being
 unsupported. To override this and turn on hardware acceleration anyway, you can
-use the `--ignore-gpu-blacklist` command line option when starting Chromium.
+use the `--ignore-gpu-blocklist` command line option when starting Chromium.
 
 ### Breaking on GL Error