Fix the "disable unified profiles" feature

This is a bug similar to the one fixed in commit db412d9. I've added a
comment to prevent this from happening again.

Change-Id: I2bd754ce9b0795cd41feb0f70181888760ca3a52
diff --git a/src/content_scripts/console_inject_start.js b/src/content_scripts/console_inject_start.js
index 78a5d2e..32f3159 100644
--- a/src/content_scripts/console_inject_start.js
+++ b/src/content_scripts/console_inject_start.js
@@ -2,7 +2,9 @@
 const SMEI_UNIFIED_PROFILES = 9;
 
 chrome.storage.sync.get(null, function(items) {
-  if (items.loaddrafts || items.smei_sortdirection) {
+  /* IMPORTANT NOTE: Remember to change this when changing the "ifs" below!! */
+  if (items.loaddrafts || items.smei_sortdirection ||
+      items.disableunifiedprofiles) {
     var startup =
         JSON.parse(document.querySelector('html').getAttribute('data-startup'));
 
@@ -17,8 +19,7 @@
 
     if (items.disableunifiedprofiles) {
       var index = startup[1][6].indexOf(SMEI_UNIFIED_PROFILES);
-      if (index > -1)
-        startup[1][6].splice(index, 1);
+      if (index > -1) startup[1][6].splice(index, 1);
     }
 
     document.querySelector('html').setAttribute(