Implement navigating backward and forward from the application menu

app/src/components/mainWindow/mainWindow.js

@@ -43,7 +43,7 @@ function createMainWindow(options, onAppQuit, setDockBadge) {
         mainWindow.webContents.send('change-zoom', currentZoom);
     };
 
-    createMenu(options.nativefierVersion, onAppQuit, onZoomIn, onZoomOut);
+    createMenu(options.nativefierVersion, onAppQuit, mainWindow.webContents.goBack, mainWindow.webContents.goForward, onZoomIn, onZoomOut);
 
     if (options.userAgent) {
         mainWindow.webContents.setUserAgent(options.userAgent);

app/src/components/menu/menu.js

@@ -6,10 +6,12 @@ var shell = electron.shell;
  *
  * @param {string} nativefierVersion
  * @param {electron.app.quit} onQuit should be from app.quit
+ * @param {function} onGoBack
+ * @param {electron} onGoForward
  * @param {function} onZoomIn
  * @param {function} onZoomOut
  */
-function createMenu(nativefierVersion, onQuit, onZoomIn, onZoomOut) {
+function createMenu(nativefierVersion, onQuit, onGoBack, onGoForward, onZoomIn, onZoomOut) {
     if (Menu.getApplicationMenu())
         return;
 
@@ -55,6 +57,18 @@ function createMenu(nativefierVersion, onQuit, onZoomIn, onZoomOut) {
         {
             label: 'View',
             submenu: [
+                {
+                    label: 'Back',
+                    click: function () {
+                        onGoBack();
+                    }
+                },
+                {
+                    label: 'Forward',
+                    click: function () {
+                        onGoForward();
+                    }
+                },
                 {
                     label: 'Reload',
                     accelerator: 'CmdOrCtrl+R',
@@ -63,6 +77,9 @@ function createMenu(nativefierVersion, onQuit, onZoomIn, onZoomOut) {
                             focusedWindow.reload();
                     }
                 },
+                {
+                    type: 'separator'
+                },
                 {
                     label: 'Toggle Full Screen',
                     accelerator: (function () {