Bug 1268773 - Update the Addon Wrapper for cached addon actors on reload. r=ochameau

MozReview-Commit-ID: AWNPTyIuzCX

--HG--
extra : rebase_source : c736731c2daa322dda16eca9ce8afbdba6ea1bb6

devtools/server/actors/addon.js

@@ -110,6 +110,15 @@ BrowserAddonActor.prototype = {
     }
   },
 
+  onInstalled: function BAA_updateAddonWrapper(aAddon) {
+    if (aAddon.id != this._addon.id) {
+      return;
+    }
+
+    // Update the AddonManager's addon object on reload/update.
+    this._addon = aAddon;
+  },
+
   onDisabled: function BAA_onDisabled(aAddon) {
     if (aAddon != this._addon) {
       return;

devtools/server/actors/webbrowser.js

@@ -2293,11 +2293,6 @@ Object.defineProperty(BrowserAddonList.prototype, "onListChanged", {
 });
 
 BrowserAddonList.prototype.onInstalled = function (addon) {
-  if (this._actorByAddonId.get(addon.id)) {
-    // When an add-on gets upgraded or reloaded, it will not be uninstalled
-    // so this step is necessary to clear the cache.
-    this._actorByAddonId.delete(addon.id);
-  }
   this._notifyListChanged();
   this._adjustListener();
 };