Bug 1369327 - Remove low memory platform checks in reader mode. r=Gijs

MozReview-Commit-ID: 1VUprtntsK0

--HG--
extra : rebase_source : 389628cf2f4086e1b4354d4ab0017b670a393c21

toolkit/components/reader/ReaderMode.jsm

@@ -63,18 +63,10 @@ this.ReaderMode = {
     return this.isEnabledForParseOnLoad = this._getStateForParseOnLoad();
   },
 
-  get isOnLowMemoryPlatform() {
-    let memory = Cc["@mozilla.org/xpcom/memory-service;1"].getService(Ci.nsIMemory);
-    delete this.isOnLowMemoryPlatform;
-    return this.isOnLowMemoryPlatform = memory.isLowMemoryPlatform();
-  },
-
   _getStateForParseOnLoad() {
     let isEnabled = Services.prefs.getBoolPref("reader.parse-on-load.enabled");
     let isForceEnabled = Services.prefs.getBoolPref("reader.parse-on-load.force-enabled");
-    // For low-memory devices, don't allow reader mode since it takes up a lot of memory.
-    // See https://bugzilla.mozilla.org/show_bug.cgi?id=792603 for details.
-    return isForceEnabled || (isEnabled && !this.isOnLowMemoryPlatform);
+    return isForceEnabled || isEnabled;
   },
 
   observe(aMessage, aTopic, aData) {