IMPLICIT_PASSPHRASE 20 sync/android/java/src/org/chromium/sync/internal_api/pub/SyncDecryptionPassphraseType.java IMPLICIT_PASSPHRASE(0), // GAIA-based passphrase (deprecated). IMPLICIT_PASSPHRASE 37 sync/internal_api/public/sync_encryption_handler.h IMPLICIT_PASSPHRASE = 0, // GAIA-based passphrase (deprecated).