Add BrowserWindow.getFocusedWindow() API.

browser/api/lib/browser_window.coffee

@@ -1,6 +1,11 @@
 EventEmitter = require('events').EventEmitter
+objectsRegistry = require '../../atom/objects_registry.js'
 
 BrowserWindow = process.atomBinding('window').BrowserWindow
 BrowserWindow.prototype.__proto__ = EventEmitter.prototype
 
+BrowserWindow.getFocusedWindow = ->
+  windows = objectsRegistry.getAllWindows()
+  return window for window in windows when window.isFocused()
+
 module.exports = BrowserWindow

browser/default_app/main.js

@@ -69,10 +69,12 @@ delegate.browserMainParts.preMainMessageLoopRun = function() {
         {
           label: 'Reload',
           accelerator: 'Command+R',
+          click: function() { BrowserWindow.getFocusedWindow().reloadIgnoringCache(); }
         },
         {
           label: 'Show DevTools',
           accelerator: 'Alt+Command+I',
+          click: function() { BrowserWindow.getFocusedWindow().openDevTools(); }
         },
       ]
     },