Method AutoLock

module/RefCounted.h:37–44

class AutoLock {
public:
  explicit AutoLock(GMPMutex* aMutex)
    : mMutex(aMutex)
  {
    assert(aMutex);
    if (mMutex) {
      mMutex->Acquire();
    }
  }
  ~AutoLock() {
    if (mMutex) {
      mMutex->Release();