Fixing creating SVG elements with trailing newlines.

tests/html/svg_1_test.dart

Index: tests/html/svg_1_test.dart
diff --git a/tests/html/svg_1_test.dart b/tests/html/svg_1_test.dart
index 9f33bb91ece3fb8991107d0abdaec2010439099d..df542546d3081d2c49921c90a4695b7d06d09819 100644
--- a/tests/html/svg_1_test.dart
+++ b/tests/html/svg_1_test.dart
@@ -15,6 +15,7 @@ main() {
 <svg id='svg1' width='200' height='100'>
 <rect id='rect1' x='10' y='20' width='130' height='40' rx='5'fill='blue'></rect>
 </svg>
+
 ''';
 
     var e = document.query('#svg1');
@@ -27,4 +28,16 @@ main() {
     Expect.equals(130, r.width.baseVal.value);
     Expect.equals(5, r.rx.baseVal.value);
   });
+
+  test('trailing newline', () {
+    // Ensures that we handle SVG with trailing newlines.
+    var logo = new SVGElement.svg("""
+      <svg xmlns="http://www.w3.org/2000/svg" version="1.1">
+        <path/>
+      </svg>
+      """);
+
+  expect(logo is SVGElement, true);
+
+  });
 }