Remove openssl_init from sync\engine....

chrome/browser/sync/engine/net/openssl_init.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-// OpenSSL multi-threading initialization
-
-#include "chrome/browser/sync/engine/net/openssl_init.h"
-
-#include <openssl/crypto.h>
-
-#include "base/logging.h"
-#include "chrome/browser/sync/util/compat-pthread.h"
-#include "chrome/browser/sync/util/pthread_helpers.h"
-
-// OpenSSL requires multithreading callbacks to be initialized prior to using
-// the library so that it can manage thread locking as necessary.
-
-// Dynamic lock type
-//
-// This needs to be a struct and in global scope because OpenSSL relies on some
-// macro magic.
-struct CRYPTO_dynlock_value {
-  PThreadMutex mutex;
-  void Lock() {
-    mutex.Lock();
-  }
-  void Unlock() {
-    mutex.Unlock();
-  }
-};
-
-namespace {
-
-// This array stores all of the mutexes available to OpenSSL
-PThreadMutex* mutex_buf = NULL;
-
-// OpenSSL mutex handling callback functions
-
-// OpenSSL Callback - Locks/unlocks the specified mutex held by OpenSSL.
-void OpenSslMutexLockControl(int mode, int n, const char* file, int line) {
-  if (mode & CRYPTO_LOCK) {
-    mutex_buf[n].Lock();
-  } else {
-    mutex_buf[n].Unlock();
-  }
-}
-
-// OpenSSL Callback - Returns the thread ID
-unsigned long OpenSslGetThreadID(void) {
-  return GetCurrentThreadId();
-}
-
-// Dynamic locking functions
-
-// Allocate a new lock
-struct CRYPTO_dynlock_value* dyn_create_function(const char* file, int line) {
-  return new CRYPTO_dynlock_value;
-}
-
-void dyn_lock_function(int mode, struct CRYPTO_dynlock_value* lock,
-                       const char* file, int line) {
-  if (mode & CRYPTO_LOCK) {
-    lock->Lock();
-  } else {
-    lock->Unlock();
-  }
-}
-
-void dyn_destroy_function(struct CRYPTO_dynlock_value* lock,
-                          const char* file, int line) {
-  delete lock;
-}
-
-}  // namespace
-
-// We want to log the version of the OpenSSL library being used, in particular
-// for the case where it's dynamically linked. We want the version from the
-// library, not from the header files. It seems the OpenSSL folks haven't
-// bothered with an accessor for this, so we just pluck it out.
-#ifdef OS_WINDOWS
-// TODO(sync): Figure out how to get the SSL version string on Windows.
-const char* SSL_version_str = "UNKNOWN";
-#else
-extern const char* SSL_version_str;
-#endif
-
-namespace browser_sync {
-
-// Initializes the OpenSSL multithreading callbacks. This isn't thread-safe,
-// but it is called early enough that it doesn't matter.
-void InitOpenSslMultithreading() {
-  LOG(INFO) << "Using OpenSSL headers version " << OPENSSL_VERSION_TEXT
-            << ", lib version " << SSL_version_str;
-
-  if (mutex_buf)
-    return;
-
-  mutex_buf = new PThreadMutex[CRYPTO_num_locks()];
-  CHECK(NULL != mutex_buf);
-
-  // OpenSSL has only one single global set of callbacks, so this
-  // initialization must be done only once, even though the OpenSSL lib may be
-  // used by multiple modules (jingle jabber connections and P2P tunnels).
-  CRYPTO_set_id_callback(OpenSslGetThreadID);
-  CRYPTO_set_locking_callback(OpenSslMutexLockControl);
-
-  CRYPTO_set_dynlock_create_callback(dyn_create_function);
-  CRYPTO_set_dynlock_lock_callback(dyn_lock_function);
-  CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function);
-}
-
-// Cleans up the OpenSSL multithreading callbacks.
-void CleanupOpenSslMultithreading() {
-  if (!mutex_buf) {
-    return;
-  }
-
-  CRYPTO_set_dynlock_create_callback(NULL);
-  CRYPTO_set_dynlock_lock_callback(NULL);
-  CRYPTO_set_dynlock_destroy_callback(NULL);
-
-  CRYPTO_set_id_callback(NULL);
-  CRYPTO_set_locking_callback(NULL);
-
-  delete [] mutex_buf;
-  mutex_buf = NULL;
-}
-
-}  // namespace browser_sync