I did "git cl upload --gerrit" to add another patch set:

Title for patchset [Get rid of ContextScope::scope() accessor.]: 
remote: Processing changes: updated: 1, done            
remote: (W) e9f2884: commit subject >65 characters; use shorter first paragraph        
remote: 
remote: Updated Changes:        
remote:   https://chromium-review.googlesource.com/444785 [interpreter] When generating bytecode, properly track current scope.        
remote: 
To https://chromium.googlesource.com/v8/v8.git
 * [new branch]            e9f288481d5bcad998655e3a401a99a8b4b984d9 -> refs/for/refs/heads/master%m=Get_rid_of_ContextScopescope_accessor,notify=NONE

But the patch set title that is shown on the Gerrit page (eg in
https://chromium-review.googlesource.com/c/444785/#message-a637d86b251f887835984b8eab409918c749e1da) is missing all the special characters (colon, parens, period).