servo: Merge #10302 - Update webrender to master (from emilio:webrender-up); r=nox

I'll rebase #10224 against it.

Sorry for the blocking of #10224, I expected it to be reviewed way sooner, my fault for landing breaking changes.

r? @nox or @pcwalton

Source-Repo: https://github.com/servo/servo
Source-Revision: 84a3dee67ea7a45d6ec505f59c7a55162621f11e

servo/python/tidy.py

@@ -207,7 +207,7 @@ def check_lock(file_name, contents):
         raise StopIteration
 
     # package names to be neglected (as named by cargo)
-    exceptions = ["bitflags"]
+    exceptions = ["bitflags", "xml-rs", "gl_generator"]
 
     import toml
     content = toml.loads(contents)