Add IsAcceptableCipher, use instead of GetDefaultCipher.

webrtc/base/sslstreamadapter.h

Index: webrtc/base/sslstreamadapter.h
diff --git a/webrtc/base/sslstreamadapter.h b/webrtc/base/sslstreamadapter.h
index c57056b14ad1b2336b1527c00bd7c24059ff02f0..a50f674e327a82f41a6001267a12e33b4081e8c8 100644
--- a/webrtc/base/sslstreamadapter.h
+++ b/webrtc/base/sslstreamadapter.h
@@ -161,6 +161,8 @@ class SSLStreamAdapter : public StreamAdapterInterface {
   // connection (e.g. 0x2F for "TLS_RSA_WITH_AES_128_CBC_SHA").
   virtual bool GetSslCipherSuite(int* cipher_suite);
 
+  virtual int GetSslVersion() const = 0;
+
   // Key Exporter interface from RFC 5705
   // Arguments are:
   // label               -- the exporter label.
@@ -189,11 +191,10 @@ class SSLStreamAdapter : public StreamAdapterInterface {
   static bool HaveDtlsSrtp();
   static bool HaveExporter();
 
-  // Returns the default Ssl cipher used between streams of this class
-  // for the given protocol version. This is used by the unit tests.
-  // TODO(guoweis): Move this away from a static class method.
-  static int GetDefaultSslCipherForTest(SSLProtocolVersion version,
-                                        KeyType key_type);
+  // Returns true iff the supplied cipher is deemed to be strong.
+  // TODO(torbjorng): Consider removing the KeyType argument.
+  static bool IsAcceptableCipher(int cipher, KeyType key_type);
+  static bool IsAcceptableCipher(const std::string& cipher, KeyType key_type);
 
   // TODO(guoweis): Move this away from a static class method. Currently this is
   // introduced such that any caller could depend on sslstreamadapter.h without