javascript/externs: add constructor arguments to history traversal events
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=71706454
Don't crash on transpilation of ()=>this
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=71708617
Updated chrome.tabs externs definitions.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=71735554
Check if first "instanceof" operand type is suspicious

Fixes #552
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=71750639
Added support for referencing the arguments object inside a generator function.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=71751775