Use Skia's oblique slant.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index ced3c2a4f413bf47cb09a00680317ad4f5bea123..7be63b8fb94daa84af5c52562cd0a062f9735cc0 100644
--- a/DEPS
+++ b/DEPS
@@ -847,6 +847,22 @@ hooks = [
     ],
   },
   {
+    'name': 'apply_custom_patch',
+    'pattern': '.',
+    'action': ['apply_issue',
+               '--root_dir', 'src/third_party/skia',
+               '--issue', '1921903002',
+               '--patchset', '20001',
+               '--server', 'https://codereview.chromium.org',
+               '--force',
+               '--ignore_deps',
+               '-v',
+               '-v',
+               '--no-auth',
+               '--blacklist', 'DEPS'
+    ],
+  },
+  {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'name': 'gyp',
     'pattern': '.',