fix(defer.cancel): should return false instead of undefined

src/Browser.js

@@ -404,6 +404,7 @@ function Browser(window, document, body, XHR, $log, $sniffer) {
       completeOutstandingRequest(noop);
       return true;
     }
+    return false;
   };
 
 

src/angular-mocks.js

@@ -285,6 +285,8 @@ function MockBrowser() {
       self.deferredFns.splice(fnIndex, 1);
       return true;
     }
+
+    return false;
   };
 
 

test/BrowserSpecs.js

@@ -266,10 +266,11 @@ describe('browser', function() {
             deferId3 = browser.defer(function() { log.push('cancel me, now!'); });
 
         expect(log).toEqual([]);
-        browser.defer.cancel(deferId1);
-        browser.defer.cancel(deferId3);
+        expect(browser.defer.cancel(deferId1)).toBe(true);
+        expect(browser.defer.cancel(deferId3)).toBe(true);
         fakeWindow.setTimeout.flush();
         expect(log).toEqual(['ok']);
+        expect(browser.defer.cancel(deferId2)).toBe(false);
       });
     });
   });

test/service/deferSpec.js

@@ -114,7 +114,7 @@ describe('$defer', function() {
       $browser.defer.flush();
       token2 = $defer(task2);
 
-      expect($defer.cancel(token1)).toBeFalsy();
+      expect($defer.cancel(token1)).toBe(false);
       expect($defer.cancel(token2)).toBe(true);
     });
   });