CocoaPods/Specs — pull request #6250 by jlansing (2013-12-17 20:02:47+00:00)
Title: Redefine google to google_public in common.h

There is a runtime exception when using google namespace on iPhone 5s and iPad Air since Apple has its own copy of protobuf. See http://stackoverflow.com/questions/19848118/weird-ios-libprotobuf-dylib-cause-crash/20586291 for more info.