Added Dartium changes onto 45.0.2454.104

LayoutTests/dart/fib.dart

+part of fib.app;
+
+class Main {
+  static int fib(int n) {
+    if (n < 2)
+      return n;
+    else
+      return fib(n - 1) + fib(n - 2);
+  }
+
+  // FIXME: Make this a unit test.
+  static BodyElement get body => document.body;
+
+  static void main() {
+    log("fib(10) = ${fib(10)}");
+    if (fib(10) != 55) {
+        log("FAIL");
+        return;
+    }
+    log("PASS");
+  }
+
+  static void log(String msg) {
+    Element element = new Element.tag('div');
+    element.innerHtml = msg;
+    body.nodes.add(element);
+  }
+}