Roll Observatory deps (charted -> ^0.3.0)

packages/dart_style/test/regression/0300/0378.stmt

Index: packages/dart_style/test/regression/0300/0378.stmt
diff --git a/packages/dart_style/test/regression/0300/0378.stmt b/packages/dart_style/test/regression/0300/0378.stmt
new file mode 100644
index 0000000000000000000000000000000000000000..a7da1f05e082902ab981b8488a07ffa030bc173f
--- /dev/null
+++ b/packages/dart_style/test/regression/0300/0378.stmt
@@ -0,0 +1,9 @@
+>>> (indent 4)
+    return new js.Fun(parameters, body, asyncModifier: asyncModifier)
+        .withSourceInformation(sourceInformationFactory.forContext(element)
+            .buildDeclaration(element));
+<<<
+    return new js.Fun(parameters, body, asyncModifier: asyncModifier)
+        .withSourceInformation(sourceInformationFactory
+            .forContext(element)
+            .buildDeclaration(element));