Add InternalKillSwitchWatcher

Bug: twpowertools:162
Change-Id: I693394622e3a1743ffaf80bf3824c0197fb1dd48
diff --git a/src/common/optionsUtils.js b/src/common/optionsUtils.js
index bb0fab0..162fd93 100644
--- a/src/common/optionsUtils.js
+++ b/src/common/optionsUtils.js
@@ -176,3 +176,12 @@
     return options?.[option] === true;
   });
 }
+
+export function getForceDisabledFeatures() {
+  return new Promise((res, rej) => {
+    chrome.storage.sync.get('_forceDisabledFeatures', items => {
+      if (chrome.runtime.lastError) return rej(chrome.runtime.lastError);
+      res(items?.['_forceDisabledFeatures'] ?? []);
+    });
+  });
+}