Remove code that was commented-out.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70835313
[NEW TYPE INFERENCE] Don't recur for straight-line code when creating the workset.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70836729
Fix AstValidator and Es6SyntacticScopeCreator to accept an object pattern as a child of a var/let/const.

This causes JS with object patterns to fail with a clear error ("ES6-to-ES3 conversion of 'OBJECT_PATTERN' is not yet implemented.") instead of an IllegalStateException.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70836965
Externs for Maps API v3.17.7.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70856049
Merge pull request #535 from ChadKillingsworth/issue-237

Add a check for extern methods marked with @nosideeffects

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Created by MOE: http://code.google.com/p/moe-java
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70887935
Automated rollback.

*** Original change description ***

Merge pull request #535 from ChadKillingsworth/issue-237

Add a check for extern methods marked with @nosideeffects

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Created by MOE: http://code.google.com/p/moe-java

***
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70891118
Fix normalization of let/const declaration in loop closures

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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70902358