crypto: change ECSignatureCreator defaults to match SPDY.

crypto/ec_signature_creator_impl.h

Index: crypto/ec_signature_creator_impl.h
diff --git a/crypto/ec_signature_creator_impl.h b/crypto/ec_signature_creator_impl.h
index f8baf861bc8bccebb8bdd4091bcdfb84967af9c9..8ef67cd7f3dbbab0f1a528731fd46dfa86dbf19a 100644
--- a/crypto/ec_signature_creator_impl.h
+++ b/crypto/ec_signature_creator_impl.h
@@ -19,8 +19,12 @@ class ECSignatureCreatorImpl : public ECSignatureCreator {
                     int data_len,
                     std::vector<uint8>* signature) OVERRIDE;
 
+  virtual bool DecodeSignature(const std::vector<uint8>& der_sig,
+                               std::vector<uint8>* out_raw_sig) OVERRIDE;
+
  private:
   ECPrivateKey* key_;
+  size_t signature_len_;
 
   DISALLOW_COPY_AND_ASSIGN(ECSignatureCreatorImpl);
 };