Move system.* family of APIs to extensions/

extensions/common/api/_api_features.json

Index: extensions/common/api/_api_features.json
diff --git a/extensions/common/api/_api_features.json b/extensions/common/api/_api_features.json
index 2052a41412364ae1a5304c8b018ab0e5ed129c9d..1872ee885a49b7e14c745597e03ee894490ff817 100644
--- a/extensions/common/api/_api_features.json
+++ b/extensions/common/api/_api_features.json
@@ -100,6 +100,29 @@
     "dependencies": ["permission:storage"],
     "contexts": ["blessed_extension", "unblessed_extension", "content_script"]
   },
+  "system.cpu": {
+    "dependencies": ["permission:system.cpu"],
+    "contexts": ["blessed_extension"]
+  },
+  "system.display": {
+    "dependencies": ["permission:system.display"],
+    "contexts": ["blessed_extension"]
+  },
+  "system.memory": {
+    "dependencies": ["permission:system.memory"],
+    "contexts": ["blessed_extension"]
+  },
+  "system.network": {
+    "dependencies": ["permission:system.network"],
+    "contexts": ["blessed_extension"]
+  },
+  "system.storage": {
+    "dependencies": ["permission:system.storage"],
+    "contexts": ["blessed_extension"]
+  },
+  "system.storage.getAvailableCapacity": {
+    "channel": "dev"
+  },
   "test": {
     "internal": true,
     "channel": "stable",