Adam Barth 0a09212fe5 Add a simple_render_tree example
This example shows how to draw a circle using subclasses of RenderNode.

R=ianh@google.com

Review URL: https://codereview.chromium.org/1144193004
2015-05-20 13:49:29 -07:00
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2015-05-20 13:49:29 -07:00
2015-05-20 13:49:29 -07:00