purge nss files and dependencies

webrtc/base/nssstreamadapter.h

Index: webrtc/base/nssstreamadapter.h
diff --git a/webrtc/base/nssstreamadapter.h b/webrtc/base/nssstreamadapter.h
deleted file mode 100644
index 04c310ecb83f287e2605a31dc7ef73b635704dd2..0000000000000000000000000000000000000000
--- a/webrtc/base/nssstreamadapter.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_BASE_NSSSTREAMADAPTER_H_
-#define WEBRTC_BASE_NSSSTREAMADAPTER_H_
-
-#include <string>
-#include <vector>
-
-// Hack: Define+undefine int64 and uint64 to avoid typedef conflict with NSS.
-// TODO(kjellander): Remove when webrtc:4497 is completed.
-#define uint64 foo_uint64
-#define int64 foo_int64
-#include "nspr.h"
-#undef uint64
-#undef int64
-
-#include "nss.h"
-#include "secmodt.h"
-
-#include "webrtc/base/buffer.h"
-#include "webrtc/base/criticalsection.h"
-#include "webrtc/base/nssidentity.h"
-#include "webrtc/base/ssladapter.h"
-#include "webrtc/base/sslstreamadapter.h"
-#include "webrtc/base/sslstreamadapterhelper.h"
-
-namespace rtc {
-
-// Singleton
-class NSSContext {
- public:
-  explicit NSSContext(PK11SlotInfo* slot) : slot_(slot) {}
-  ~NSSContext() {
-  }
-
-  static PK11SlotInfo *GetSlot() {
-    return Instance() ? Instance()->slot_: NULL;
-  }
-
-  static NSSContext *Instance();
-  static bool InitializeSSL(VerificationCallback callback);
-  static bool InitializeSSLThread();
-  static bool CleanupSSL();
-
- private:
-  PK11SlotInfo *slot_;                    // The PKCS-11 slot
-  static GlobalLockPod lock;              // To protect the global context
-  static NSSContext *global_nss_context;  // The global context
-};
-
-
-class NSSStreamAdapter : public SSLStreamAdapterHelper {
- public:
-  explicit NSSStreamAdapter(StreamInterface* stream);
-  ~NSSStreamAdapter() override;
-  bool Init();
-
-  StreamResult Read(void* data,
-                    size_t data_len,
-                    size_t* read,
-                    int* error) override;
-  StreamResult Write(const void* data,
-                     size_t data_len,
-                     size_t* written,
-                     int* error) override;
-  void OnMessage(Message* msg) override;
-
-  bool GetSslCipher(std::string* cipher) override;
-
-  // Key Extractor interface
-  bool ExportKeyingMaterial(const std::string& label,
-                            const uint8* context,
-                            size_t context_len,
-                            bool use_context,
-                            uint8* result,
-                            size_t result_len) override;
-
-  // DTLS-SRTP interface
-  bool SetDtlsSrtpCiphers(const std::vector<std::string>& ciphers) override;
-  bool GetDtlsSrtpCipher(std::string* cipher) override;
-
-  // Capabilities interfaces
-  static bool HaveDtls();
-  static bool HaveDtlsSrtp();
-  static bool HaveExporter();
-  static std::string GetDefaultSslCipher(SSLProtocolVersion version,
-                                         KeyType key_type);
-
- protected:
-  // Override SSLStreamAdapter
-  void OnEvent(StreamInterface* stream, int events, int err) override;
-
-  // Override SSLStreamAdapterHelper
-  int BeginSSL() override;
-  void Cleanup() override;
-  bool GetDigestLength(const std::string& algorithm, size_t* length) override;
-
- private:
-  int ContinueSSL();
-  static SECStatus AuthCertificateHook(void *arg, PRFileDesc *fd,
-                                       PRBool checksig, PRBool isServer);
-  static SECStatus GetClientAuthDataHook(void *arg, PRFileDesc *fd,
-                                         CERTDistNames *caNames,
-                                         CERTCertificate **pRetCert,
-                                         SECKEYPrivateKey **pRetKey);
-
-  PRFileDesc *ssl_fd_;              // NSS's SSL file descriptor
-  static bool initialized;          // Was InitializeSSL() called?
-  bool cert_ok_;                    // Did we get and check a cert
-  std::vector<PRUint16> srtp_ciphers_;  // SRTP cipher list
-
-  static PRDescIdentity nspr_layer_identity;  // The NSPR layer identity
-};
-
-}  // namespace rtc
-
-#endif  // WEBRTC_BASE_NSSSTREAMADAPTER_H_