Revert of Change WebRTC SslCipher to be exposed as number only.

talk/session/media/srtpfilter.h

Index: talk/session/media/srtpfilter.h
diff --git a/talk/session/media/srtpfilter.h b/talk/session/media/srtpfilter.h
index 1b526141510a88f2409874d9f1d680202bd5914a..a536327fb07075244b7bb42f06bcb832291e9196 100644
--- a/talk/session/media/srtpfilter.h
+++ b/talk/session/media/srtpfilter.h
@@ -39,7 +39,6 @@
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/sigslotrepeater.h"
-#include "webrtc/base/sslstreamadapter.h"
 
 // Forward declaration to avoid pulling in libsrtp headers here
 struct srtp_event_data_t;
@@ -48,6 +47,13 @@
 
 namespace cricket {
 
+// Cipher suite to use for SRTP. Typically a 80-bit HMAC will be used, except
+// in applications (voice) where the additional bandwidth may be significant.
+// A 80-bit HMAC is always used for SRTCP.
+// 128-bit AES with 80-bit SHA-1 HMAC.
+extern const char CS_AES_CM_128_HMAC_SHA1_80[];
+// 128-bit AES with 32-bit SHA-1 HMAC.
+extern const char CS_AES_CM_128_HMAC_SHA1_32[];
 // Key is 128 bits and salt is 112 bits == 30 bytes. B64 bloat => 40 bytes.
 extern const int SRTP_MASTER_KEY_BASE64_LEN;