Move bookmarks_ui manifest key from chrome_settings_overrides to chrome_ui_overrides

chrome/common/extensions/docs/templates/json/manifest.json

Index: chrome/common/extensions/docs/templates/json/manifest.json
diff --git a/chrome/common/extensions/docs/templates/json/manifest.json b/chrome/common/extensions/docs/templates/json/manifest.json
index 2faa5f645d102cbce145b5d3c1bcff7ddcb86c87..0e0d4adfff0dbe194906dcf92566b89d555f8b70 100644
--- a/chrome/common/extensions/docs/templates/json/manifest.json
+++ b/chrome/common/extensions/docs/templates/json/manifest.json
@@ -25,6 +25,10 @@
     "documentation": "settings_override.html",
     "example": {}
   },
+  "chrome_ui_overrides": {
+    "documentation": "ui_override.html",
+    "example": {}
+  },
   "chrome_url_overrides": {
     "documentation": "override.html",
     "example": {}