Unwind the SSL connection holdback experiment and remove related code

chrome/browser/extensions/api/socket/tls_socket_unittest.cc

Index: chrome/browser/extensions/api/socket/tls_socket_unittest.cc
diff --git a/chrome/browser/extensions/api/socket/tls_socket_unittest.cc b/chrome/browser/extensions/api/socket/tls_socket_unittest.cc
index a427bd0e898d78d35967563b6fae356f2fdb303e..a0c9cdeef5c801a7f78b261c1222b5b08e3eeab2 100644
--- a/chrome/browser/extensions/api/socket/tls_socket_unittest.cc
+++ b/chrome/browser/extensions/api/socket/tls_socket_unittest.cc
@@ -60,9 +60,6 @@ class MockSSLClientSocket : public net::SSLClientSocket {
                    unsigned char*,
                    unsigned int));
   MOCK_METHOD1(GetTLSUniqueChannelBinding, int(std::string*));
-  MOCK_CONST_METHOD0(GetSessionCacheKey, std::string());
-  MOCK_CONST_METHOD0(InSessionCache, bool());
-  MOCK_METHOD1(SetHandshakeCompletionCallback, void(const base::Closure&));
   MOCK_METHOD1(GetSSLCertRequestInfo, void(net::SSLCertRequestInfo*));
   MOCK_METHOD1(GetNextProto,
                net::SSLClientSocket::NextProtoStatus(std::string*));