Private API for extensions like ssh-client that need access to TCP.

base/crypto/symmetric_key.h

Index: base/crypto/symmetric_key.h
diff --git a/base/crypto/symmetric_key.h b/base/crypto/symmetric_key.h
index b72c840614f6df03ecd658452a9e0b81c86498ab..f7311b39960faedad78ac702bc3ab6b5fdf90512 100644
--- a/base/crypto/symmetric_key.h
+++ b/base/crypto/symmetric_key.h
@@ -34,6 +34,9 @@ class BASE_API SymmetricKey {
 
   virtual ~SymmetricKey();
 
+  // Generates cryptographically strong random bytes. Returns true on success.
+  static bool GenerateRandomBytes(size_t size_in_bits, uint8* out);
+
   // Generates a random key suitable to be used with |algorithm| and of
   // |key_size_in_bits| bits.
   // The caller is responsible for deleting the returned SymmetricKey.