Deleted redundant SymmetricKey::GetRawKey().

crypto/symmetric_key.h

Index: crypto/symmetric_key.h
diff --git a/crypto/symmetric_key.h b/crypto/symmetric_key.h
index e762555a2c69339e8b94a9ab4b8ae4afe1759107..9803cdcf2498edab46783cb2072bb454e002bcae 100644
--- a/crypto/symmetric_key.h
+++ b/crypto/symmetric_key.h
@@ -50,18 +50,14 @@ class CRYPTO_EXPORT SymmetricKey {
 
   // Imports an array of key bytes in |raw_key|. This key may have been
   // generated by GenerateRandomKey or DeriveKeyFromPassword and exported with
-  // GetRawKey, or via another compatible method. The key must be of suitable
-  // size for use with |algorithm|. The caller owns the returned SymmetricKey.
+  // key(). The key must be of suitable size for use with |algorithm|.
+  // The caller owns the returned SymmetricKey.
   static std::unique_ptr<SymmetricKey> Import(Algorithm algorithm,
                                               const std::string& raw_key);
 
+  // Returns the raw platform specific key data.
   const std::string& key() const { return key_; }
 
-  // Extracts the raw key from the platform specific data.
-  // Warning: |raw_key| holds the raw key as bytes and thus must be handled
-  // carefully.
-  bool GetRawKey(std::string* raw_key) const;
-
  private:
   SymmetricKey();