Bug 1129321 - Remove nonstandard let blocks from browser. r=ttaubert

browser/base/content/test/newtab/head.js

@@ -51,25 +51,28 @@ Object.keys(requiredSize).forEach(prop => {
     gBrowser.contentWindow[prop] = requiredSize[prop];
   }
 });
-let (screenHeight = {}, screenWidth = {}) {
+
-  Cc["@mozilla.org/gfx/screenmanager;1"].
+let screenHeight = {};
+let screenWidth = {};
+Cc["@mozilla.org/gfx/screenmanager;1"].
   getService(Ci.nsIScreenManager).
   primaryScreen.
   GetAvailRectDisplayPix({}, {}, screenWidth, screenHeight);
-  screenHeight = screenHeight.value;
+screenHeight = screenHeight.value;
-  screenWidth = screenWidth.value;
+screenWidth = screenWidth.value;
-  if (screenHeight < gBrowser.contentWindow.outerHeight) {
+
+if (screenHeight < gBrowser.contentWindow.outerHeight) {
   info("Warning: Browser outer height is now " +
        gBrowser.contentWindow.outerHeight + ", which is larger than the " +
        "available screen height, " + screenHeight +
        ". That may cause problems.");
-  }
+}
-  if (screenWidth < gBrowser.contentWindow.outerWidth) {
+
+if (screenWidth < gBrowser.contentWindow.outerWidth) {
   info("Warning: Browser outer width is now " +
        gBrowser.contentWindow.outerWidth + ", which is larger than the " +
        "available screen width, " + screenWidth +
        ". That may cause problems.");
-  }
 }
 
 registerCleanupFunction(function () {

browser/components/migration/tests/unit/head_migration.js

@@ -20,7 +20,7 @@ XPCOMUtils.defineLazyModuleGetter(this, "MigrationUtils",
 let gProfD = do_get_profile();
 
 // Create a fake XULAppInfo to satisfy the eventual needs of the migrators.
-let (XULAppInfo = {
+let XULAppInfo = {
   // nsIXUlAppInfo
   get vendor() "Mozilla",
   get name() "XPCShell",
@@ -48,17 +48,17 @@ let (XULAppInfo = {
       throw Cr.NS_ERROR_NO_INTERFACE;
     return this;
   }
-}) {
+};
-  const CONTRACT_ID = "@mozilla.org/xre/app-info;1";
-  const CID = Components.ID("7685dac8-3637-4660-a544-928c5ec0e714}");
 
-  let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+const CONTRACT_ID = "@mozilla.org/xre/app-info;1";
-  registrar.registerFactory(CID, "XULAppInfo", CONTRACT_ID, {
+const CID = Components.ID("7685dac8-3637-4660-a544-928c5ec0e714}");
+
+let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+registrar.registerFactory(CID, "XULAppInfo", CONTRACT_ID, {
   createInstance: function (aOuter, aIID) {
     if (aOuter != null)
       throw Cr.NS_ERROR_NO_AGGREGATION;
     return XULAppInfo.QueryInterface(aIID);
   },
   QueryInterface: XPCOMUtils.generateQI(Ci.nsIFactory)
-  });
+});
-}

browser/components/places/tests/browser/head.js

@@ -11,16 +11,16 @@ XPCOMUtils.defineLazyModuleGetter(this, "PlacesTestUtils",
 
 // We need to cache this before test runs...
 let cachedLeftPaneFolderIdGetter;
-let (getter = PlacesUIUtils.__lookupGetter__("leftPaneFolderId")) {
+let getter = PlacesUIUtils.__lookupGetter__("leftPaneFolderId");
-  if (!cachedLeftPaneFolderIdGetter && typeof(getter) == "function")
+if (!cachedLeftPaneFolderIdGetter && typeof(getter) == "function") {
   cachedLeftPaneFolderIdGetter = getter;
 }
+
 // ...And restore it when test ends.
 registerCleanupFunction(function(){
-  let (getter = PlacesUIUtils.__lookupGetter__("leftPaneFolderId")) {
+  let getter = PlacesUIUtils.__lookupGetter__("leftPaneFolderId");
-    if (cachedLeftPaneFolderIdGetter && typeof(getter) != "function")
+  if (cachedLeftPaneFolderIdGetter && typeof(getter) != "function") {
-      PlacesUIUtils.__defineGetter__("leftPaneFolderId",
+    PlacesUIUtils.__defineGetter__("leftPaneFolderId", cachedLeftPaneFolderIdGetter);
-                                     cachedLeftPaneFolderIdGetter);
   }
 });
 

browser/components/preferences/applications.js

@@ -1841,10 +1841,9 @@ var gApplicationsPane = {
         return this._getIconURLForSystemDefault(aHandlerInfo);
 
       case Ci.nsIHandlerInfo.useHelperApp:
-        let (preferredApp = aHandlerInfo.preferredApplicationHandler) {
+        let preferredApp = aHandlerInfo.preferredApplicationHandler;
         if (this.isValidHandlerApp(preferredApp))
           return this._getIconURLForHandlerApp(preferredApp);
-        }
         break;
 
       // This should never happen, but if preferredAction is set to some weird

browser/components/sessionstore/test/browser_506482.js

@@ -26,11 +26,10 @@ function test() {
   }
 
   // delete existing sessionstore.js, to make sure we're not reading
-  // the mtime of an old one initialy
+  // the mtime of an old one initially.
-  let (sessionStoreJS = getSessionstoreFile()) {
+  let sessionStoreJS = getSessionstoreFile();
   if (sessionStoreJS.exists())
     sessionStoreJS.remove(false);
-  }
 
   // test content URL
   const TEST_URL = "data:text/html;charset=utf-8,"

browser/components/sessionstore/test/unit/test_backup_once.js

@@ -13,7 +13,7 @@ let Paths;
 let SessionFile;
 
 // We need a XULAppInfo to initialize SessionFile
-let (XULAppInfo = {
+let XULAppInfo = {
   vendor: "Mozilla",
   name: "SessionRestoreTest",
   ID: "{230de50e-4cd1-11dc-8314-0800200c9a66}",
@@ -30,19 +30,19 @@ let (XULAppInfo = {
     Ci.nsIXULAppInfo,
     Ci.nsIXULRuntime,
   ])
-}) {
+};
-  let XULAppInfoFactory = {
+
+let XULAppInfoFactory = {
   createInstance: function (outer, iid) {
     if (outer != null)
       throw Cr.NS_ERROR_NO_AGGREGATION;
     return XULAppInfo.QueryInterface(iid);
   }
-  };
+};
-  let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
-  registrar.registerFactory(Components.ID("{fbfae60b-64a4-44ef-a911-08ceb70b9f31}"),
+registrar.registerFactory(Components.ID("{fbfae60b-64a4-44ef-a911-08ceb70b9f31}"),
                           "XULAppInfo", "@mozilla.org/xre/app-info;1",
                           XULAppInfoFactory);
-};
 
 function run_test() {
   run_next_test();