Remove unused private functions from Encryptor

crypto/encryptor.cc

Index: crypto/encryptor.cc
diff --git a/crypto/encryptor.cc b/crypto/encryptor.cc
index 06bf00cce94bc608bf2a79aa14f4565177bd942d..fdbddb7430b1474cb4c25e7fb4b0318c28634481 100644
--- a/crypto/encryptor.cc
+++ b/crypto/encryptor.cc
@@ -135,43 +135,6 @@ bool Encryptor::SetCounter(const base::StringPiece& counter) {
   return true;
 }
 
-bool Encryptor::GenerateCounterMask(size_t plaintext_len,
-                                    uint8_t* mask,
-                                    size_t* mask_len) {
-  DCHECK_EQ(CTR, mode_);
-  CHECK(mask);
-  CHECK(mask_len);
-
-  const size_t kBlockLength = counter_->GetLengthInBytes();
-  size_t blocks = (plaintext_len + kBlockLength - 1) / kBlockLength;
-  CHECK(blocks);
-
-  *mask_len = blocks * kBlockLength;
-
-  for (size_t i = 0; i < blocks; ++i) {
-    counter_->Write(mask);
-    mask += kBlockLength;
-
-    bool ret = counter_->Increment();
-    if (!ret)
-      return false;
-  }
-  return true;
-}
-
-void Encryptor::MaskMessage(const void* plaintext,
-                            size_t plaintext_len,
-                            const void* mask,
-                            void* ciphertext) const {
-  DCHECK_EQ(CTR, mode_);
-  const uint8_t* plaintext_ptr = reinterpret_cast<const uint8_t*>(plaintext);
-  const uint8_t* mask_ptr = reinterpret_cast<const uint8_t*>(mask);
-  uint8_t* ciphertext_ptr = reinterpret_cast<uint8_t*>(ciphertext);
-
-  for (size_t i = 0; i < plaintext_len; ++i)
-    ciphertext_ptr[i] = plaintext_ptr[i] ^ mask_ptr[i];
-}
-
 bool Encryptor::Crypt(bool do_encrypt,
                       const base::StringPiece& input,
                       std::string* output) {