Add hooks to allow lock screen app pages in sign-in profile

chrome/test/data/extensions/lock_screen_apps/non_lock_screen_context/manifest.json

Index: chrome/test/data/extensions/lock_screen_apps/non_lock_screen_context/manifest.json
diff --git a/chrome/test/data/extensions/lock_screen_apps/non_lock_screen_context/manifest.json b/chrome/test/data/extensions/lock_screen_apps/non_lock_screen_context/manifest.json
new file mode 100644
index 0000000000000000000000000000000000000000..9a8fd2913f38871cea96069afc9ee5829285c627
--- /dev/null
+++ b/chrome/test/data/extensions/lock_screen_apps/non_lock_screen_context/manifest.json
@@ -0,0 +1,16 @@
+{
+   "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA02u2EolNQq2mp/jmpE6tlctinxHNThc5FIsleGtPWsyCOxndLPlNqUKnXpAzllyUahwqtP+hYeYStiq3+0pcSEz4i9dGBF/DRKZ09LvKiDQB26Xvb8+IDxlqwe4Z/z9yQLB7xyg977z5Xi09DMVEtUfyuJTvtWQMcTpwyh5dEhK/F8R/lPrzmMU9bvidzRtruLuXd/DyQOPpNqSQTbN3Tg3dD4xDO54N+4ld8Pot6Nob0P0Yn/wm4c6Ct+5qwESaMP3C3WIIRDJ41rU4RgRSioxEYSdTtyrnO2qSK6KVKEFDmRp5hMxOn0r7C3CsdwMVMS3FXctjNia+1M3/2AMn/wIDAQAB",
+  "name": "Test lock screen app",
+  "version": "0.1",
+  "manifest_version": 2,
+  "permissions": ["lockScreen"],
+  "app": {
+    "background": {
+      "scripts": ["background.js"]
+    }
+  },
+  "action_handlers": [{
+    "action": "new_note",
+    "enabled_on_lock_screen": true
+  }]
+}