[NEW TYPE INFERENCE] Don't crash for getprop on *
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=79584032
Remove unused externs file.

Web intents is not currently supported in any browsers so if there is any code that was using web intents, it's probably broken already.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=79619441
[NEW TYPE INFERENCE] Autoconvert {Number, Boolean, String} to {number, boolean, string}.

We will autoconvert scalars to boxed types in a separate change.

We only check the boxed scalar types, we don't infer them for now.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=79673074