Hixie c09aac3f3f Rationalise hit testing in the new RenderNode world
- makes the event logic not involve a boolean return value (since we ignored it anyway)
- splits the event handling logic into two steps, hit testing and event dispatch
- introduces an App class on the Dart side to factor out the interaction with the C++ side
- ports sector-layout and simple_render_tree to the new App infrastructure
- port simple_render_tree to the new event handling logic
- implement hit testing for the sector-layout demo

R=eseidel@chromium.org

Review URL: https://codereview.chromium.org/1143343004
2015-05-26 12:44:35 -07:00
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2015-03-26 14:32:40 -07:00