Tobias Bosch b1a9e445b3 fix(perf): don’t use try/catch in production mode
The previous code that had `try/catch` statements in methods could not be optimized by Chrome. 

This change separates `AppView` (no `try/catch`) form `DebugAppView` (always `try/catch`). Our codegen will use `AppView` in production mode and `DebugAppView` in debug mode.

Closes #8338
2016-04-29 10:18:57 -07:00
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