Enable exporting SSLKEYLOGFILE on Android w/ command line arguments

net/socket/ssl_client_socket_openssl.h

Index: net/socket/ssl_client_socket_openssl.h
diff --git a/net/socket/ssl_client_socket_openssl.h b/net/socket/ssl_client_socket_openssl.h
index 228214b42d6e2f5b925050f976a5a8274c0171c2..bc3f2f32b6bb797ddb7ce09fb7d037c699bbebdb 100644
--- a/net/socket/ssl_client_socket_openssl.h
+++ b/net/socket/ssl_client_socket_openssl.h
@@ -53,6 +53,9 @@ class SSLClientSocketOpenSSL : public SSLClientSocket {
     return ssl_session_cache_shard_;
   }
 
+  // Export ssl key log files if env variable is not set.

[davidben, 2015/10/15 16:46:00]

This comment's no longer accurate I think. Comment should also mention that it
must be called before SSLClientSockets are created. (Also worth mentioning on
the ssl_client_socket.h wrapper since that's the one //chrome uses anyway.)

[Zhongyi Shi, 2015/10/15 19:03:06]

Done.

+  static void SetSSLKeyLogFile(const std::string& ssl_keylog_file);
+
   // SSLClientSocket implementation.
   void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override;
   NextProtoStatus GetNextProto(std::string* proto) const override;