Bug 1667774 - Fix HTTP refresh for content tabs r=darktrojan

mail/base/content/specialTabs.js

@@ -257,13 +257,14 @@ tabProgressListener.prototype = {
   },
   onRefreshAttempted(aWebProgress, aURI, aDelay, aSameURI) {
     if (this.mProgressListener) {
-      this.mProgressListener.onRefreshAttempted(
+      return this.mProgressListener.onRefreshAttempted(
         aWebProgress,
         aURI,
         aDelay,
         aSameURI
       );
     }
+    return true;
   },
   QueryInterface: ChromeUtils.generateQI([
     "nsIWebProgressListener",

mail/base/content/tabmail.js

@@ -1943,15 +1943,19 @@
     }
 
     _callTabListeners(aMethod, aArgs) {
+      let rv = true;
       for (let listener of this.mTabsProgressListeners.values()) {
         if (aMethod in listener) {
           try {
-            listener[aMethod](...aArgs);
+            if (!listener[aMethod](...aArgs)) {
+              rv = false;
+            }
           } catch (e) {
             Cu.reportError(e);
           }
         }
       }
+      return rv;
     }
 
     disconnectedCallback() {
@@ -2002,7 +2006,7 @@
     }
 
     onRefreshAttempted(...args) {
-      this._callTabListeners("onRefreshAttempted", args);
+      return this._callTabListeners("onRefreshAttempted", args);
     }
   }
   TabProgressListener.prototype.QueryInterface = ChromeUtils.generateQI([