Make "all user" services work when packaged.

chrome/test/base/mash_browser_tests_manifest.json

Index: chrome/test/base/mash_browser_tests_manifest.json
diff --git a/chrome/test/base/mash_browser_tests_manifest.json b/chrome/test/base/mash_browser_tests_manifest.json
index 9748dfc2edc2f568fda55896df285270c7b6755d..23536e380961bb6f59259a073c75abdaef189bb9 100644
--- a/chrome/test/base/mash_browser_tests_manifest.json
+++ b/chrome/test/base/mash_browser_tests_manifest.json
@@ -9,7 +9,10 @@
         ]
       },
       "requires": {
-        "*": [ "app" ]
+        "*": [ "app" ],
+        "service:service_manager": [

[Ken Rockot(use gerrit already), 2016/10/27 17:01:29]

Please also add this to chrome/app/mash/chrome_mash_manifest.json, or we'll
break chrome --mash. We should probably find a way to make browser_tests use
that manifest instead, but that's a yak-shave for another time.

[Jay Civelli, 2016/10/27 17:43:28]

Good catch! Done and verified chrome mash still works.

+           "service_manager:instance_per_child"
+        ]
       }
     }
   }