[NEW TYPE INFERENCE]

Fix some bugs that were uncovered by running the new type inference
on the v8 benchmarks.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=59609490
Infer new call-site signature template parameters like we do for ordinary function calls.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=59675868