cleaned up rng initialization, unifying initialization for USE_CRYPTO and !USE_CRYPTO cases, and making sandboxed initialization code independent of USE_CRYPTO.
cleaned up rng initialization, unifying initialization for USE_CRYPTO
and !USE_CRYPTO cases, and making sandboxed initialization code
independent of USE_CRYPTO.

Review URL: http://codereview.chromium.org/1803005

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@2166 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client