Added Dartium changes onto 45.0.2454.104

LayoutTests/dart/utf8-test.dart

Index: LayoutTests/dart/utf8-test.dart
diff --git a/LayoutTests/dart/utf8-test.dart b/LayoutTests/dart/utf8-test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..39a1905acd1d9b3ea3bec36b3323068f55368911
--- /dev/null
+++ b/LayoutTests/dart/utf8-test.dart
@@ -0,0 +1,12 @@
+main() {
+  print("Starting test");
+  print('⌘');
+  var command = '⌘';
+  print('command char: $command');
+  alias(command);
+}
+
+alias(String orig) {
+  var aka = orig.replaceAll("⌘", "Meta");
+  print('another name: ${aka}');
+}