Add more logging to a checkState call, to debug reported issue.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=75768724
Don't require spaces in goog.require alias assignments.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=75769817
Tighten type of Window.prototype.postMessage to match spec
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=75814703
Make Document.prototype.images an HTMLCollection instead of an Array
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=75814856