Update to current gtest/gmock.

testing/gmock/src/gmock-spec-builders.cc

 // Copyright 2007, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 35 matching lines @@
 
 #if GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC
 #include <unistd.h>  // NOLINT
 #endif
 
 namespace testing {
 namespace internal {
 
 // Protects the mock object registry (in class Mock), all function
 // mockers, and all expectations.
-Mutex g_gmock_mutex(Mutex::NO_CONSTRUCTOR_NEEDED_FOR_STATIC_MUTEX);
+GTEST_DEFINE_STATIC_MUTEX_(g_gmock_mutex);
 
 // Constructs an ExpectationBase object.
 ExpectationBase::ExpectationBase(const char* a_file,
                                  int a_line,
                                  const string& a_source_text)
     : file_(a_file),
       line_(a_line),
       source_text_(a_source_text),
       cardinality_specified_(false),
       cardinality_(Exactly(1)),
@@ skipping 389 matching lines @@
 // Deletes the implicit sequence if it was created by the constructor
 // of this object.
 InSequence::~InSequence() {
   if (sequence_created_) {
     delete internal::g_gmock_implicit_sequence.get();
     internal::g_gmock_implicit_sequence.set(NULL);
   }
 }
 
 }  // namespace testing