Add Tint to third_party/

Tint is an implementation of WGSL, the shading for WebGPU, that Dawn,
our implementation of WebGPU, uses.

Requires adding dawn_enable_wgsl=true to args.gn currently to use.

BUG=1070645

Change-Id: I733cc23f3ca25c8943082564f277234d22a3662d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2248753
Auto-Submit: Ryan Harrison <[email protected]>
Reviewed-by: Nico Weber <[email protected]>
Reviewed-by: Kentaro Hara <[email protected]>
Reviewed-by: Will Harris <[email protected]>
Commit-Queue: Ryan Harrison <[email protected]>
Cr-Commit-Position: refs/heads/master@{#788699}
diff --git a/DEPS b/DEPS
index adb5f55..5e7b2e2 100644
--- a/DEPS
+++ b/DEPS
@@ -354,6 +354,9 @@
   # the commit queue can handle CLs rolling ukey2
   # and whatever else without interference from each other.
   'ukey2_revision': '0275885d8e6038c39b8a8ca55e75d1d4d1727f47',
+  # the commit queue can handle CLs rolling feed
+  # and whatever else without interference from each other.
+  'tint_revision': '919011af0a2ae1b663aae0aaa4083a3f9f13e66d',
 
   # TODO(crbug.com/941824): The values below need to be kept in sync
   # between //DEPS and //buildtools/DEPS, so if you're updating one,
@@ -785,6 +788,9 @@
   'src/third_party/dawn':
     Var('dawn_git') + '/dawn.git' + '@' +  Var('dawn_revision'),
 
+  'src/third_party/tint/src':
+    Var('dawn_git') + '/tint.git' + '@' +  Var('tint_revision'),
+
   'src/third_party/glfw/src':
     Var('chromium_git') + '/external/github.com/glfw/glfw.git@' +  '2de2589f910b1a85905f425be4d32f33cec092df',