fix($parse): allow arguments to contain filter chains

Thanks to @esarbanis for the original PR that got out-dated due to the
big $parse overhaul.

Closes #4175
Closes #4168
Closes #14720

Author: petebacondarwin

src/ng/parse.js

@@ -545,7 +545,7 @@ AST.prototype = {
     var args = [];
     if (this.peekToken().text !== ')') {
       do {
-        args.push(this.expression());
+        args.push(this.filterChain());
       } while (this.expect(','));
     }
     return args;

test/ng/parseSpec.js

@@ -2138,6 +2138,15 @@ describe('parser', function() {
         expect(scope.$eval("add(1,2)")).toEqual(3);
       });
 
+      it('should allow filter chains as arguments', function() {
+        scope.concat = function(a, b) {
+          return a + b;
+        };
+        scope.begin = 1;
+        scope.limit = 2;
+        expect(scope.$eval("concat('abcd'|limitTo:limit:begin,'abcd'|limitTo:2:1|uppercase)")).toEqual("bcBC");
+      });
+
       it('should evaluate function call from a return value', function() {
         scope.getter = function() { return function() { return 33; }; };
         expect(scope.$eval("getter()()")).toBe(33);