Adam Barth c964a1f1f8 Switch from ui.tracing to dart:Developer Timeline ...

This change will let us remove the tracing interface from dart:ui and also
makes these timeline events show up in Observatory.

2015-11-18 12:57:58 -08:00

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hello_world.dart

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painting.dart

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pubspec.yaml

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shadow.dart

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spinning_arabic.dart

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spinning_image.dart

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spinning_square.dart

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