Merge "libbinderwrapper: Add BinderWrapper::GetOrCreateInstance()"

class IBinder;

// Wraps libbinder to make it testable.

// NOTE: Static methods of this class are not thread-safe.

class BinderWrapper {

 public:

  virtual ~BinderWrapper() {}

  // InitForTesting().

  static BinderWrapper* Get();

  // Returns the singleton instance if it was previously created by Create() or

  // set by InitForTesting(), or creates a new one by calling Create().

  static BinderWrapper* GetOrCreateInstance();

  // Gets the binder for communicating with the service identified by

  // |service_name|, returning null immediately if it doesn't exist.

  virtual sp<IBinder> GetService(const std::string& service_name) = 0;

  return instance_;

}

// static

BinderWrapper* BinderWrapper::GetOrCreateInstance() {

  if (!instance_)

    instance_ = new RealBinderWrapper();

  return instance_;

}

}  // namespace android