fix($snifferProvider): allow history for nwjs applications

src/ng/sniffer.js

@@ -20,12 +20,14 @@
 function $SnifferProvider() {
   this.$get = ['$window', '$document', function($window, $document) {
     var eventSupport = {},
+        isNw = $window.nw && $window.nw.process,
         // Chrome Packaged Apps are not allowed to access `history.pushState`.
         // If not sandboxed, they can be detected by the presence of `chrome.app.runtime`
         // (see https://developer.chrome.com/apps/api_index). If sandboxed, they can be detected by
         // the presence of an extension runtime ID and the absence of other Chrome runtime APIs
         // (see https://developer.chrome.com/apps/manifest/sandbox).
         isChromePackagedApp =
+            !isNw &&
             $window.chrome &&
             ($window.chrome.app && $window.chrome.app.runtime ||
                 !$window.chrome.app && $window.chrome.runtime && $window.chrome.runtime.id),

test/ng/snifferSpec.js

@@ -25,6 +25,25 @@ describe('$sniffer', function() {
     });
 
 
+    it('should be true if running inside nw.js', function() {
+      var mockWindow = {
+        nw: {
+          process: noop
+        },
+        history: {
+          pushState: noop
+        },
+        chrome: {
+          app: {
+            runtime: noop
+          }
+        }
+      };
+
+      expect(sniffer(mockWindow).history).toBe(true);
+    });
+
+
     it('should be false if history or pushState not defined', function() {
       expect(sniffer({}).history).toBe(false);
       expect(sniffer({history: {}}).history).toBe(false);