Restructure things to fit upcoming diff

java/csharp/Facebook.CSSLayout/CSSLayoutContext.cs

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2014, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+namespace Facebook.CSSLayout
+{
+
+    /**
+     * A context for holding values local to a given instance of layout computation.
+     *
+     * This is necessary for making layout thread-safe. A separate instance should
+     * be used when {@link CSSNode#calculateLayout} is called concurrently on
+     * different node hierarchies.
+     */
+
+    sealed class CSSLayoutContext
+    {
+        /*package*/
+        public MeasureOutput measureOutput = new MeasureOutput();
+        public int currentGenerationCount;
+    }
+}