Summary:The WebView component in iOS currently does not support displaying PDFs without providing a remote URI or manually including the assets in the xcodeproj itself. This is because the packager has not whitelisted the 'pdf' extension.
I've gone ahead and whitelisted the 'pdf extension according to the recommendation by nicklockwood
GH comment: https://github.com/facebook/react-native/issues/1846#issuecomment-199302488
Closes https://github.com/facebook/react-native/pull/7004
Differential Revision: D3196019
Pulled By: nicklockwood
fb-gh-sync-id: 10a86a9232095f98f277506141de0b8af5b21ab4
fbshipit-source-id: 10a86a9232095f98f277506141de0b8af5b21ab4