fix($compile): remove invalid IE exceptional case for href

It appears that this exceptional case was only valid for IE<8 and that for IE>=8 it
was actually causing a bug with the `ng-href-attr` directive on `<a>` elements.

Closes #5479

src/ng/compile.js

@@ -1009,9 +1009,7 @@ function $CompileProvider($provide, $$sanitizeUriProvider) {
 
  nName = directiveNormalize(name.toLowerCase());
  attrsMap[nName] = name;
- attrs[nName] = value = trim((msie && name == 'href')
- ? decodeURIComponent(node.getAttribute(name, 2))
- : attr.value);
+ attrs[nName] = value = trim(attr.value);
  if (getBooleanAttrName(node, nName)) {
  attrs[nName] = true; // presence means true
  }

test/ng/compileSpec.js

@@ -4243,7 +4243,13 @@ describe('$compile', function() {
  expect(element.attr('test2')).toBe('Misko');
  expect(element.attr('test3')).toBe('Misko');
  }));
-
+
+ it('should work with the "href" attribute', inject(function($compile, $rootScope) {
+ $rootScope.value = 'test';
+ element = $compile('<a ng-attr-href="test/{{value}}"></a>')($rootScope);
+ $rootScope.$digest();
+ expect(element.attr('href')).toBe('test/test');
+ }));
 
  it('should work if they are prefixed with x- or data-', inject(function($compile, $rootScope) {
  $rootScope.name = "Misko";