Merge "Modernise code to use std::make_unique"

#include <gtest/gtest.h>

#include <memory>

using android::pdx::ErrorStatus;

using android::pdx::Status;

  Status<std::unique_ptr<int>> status1;

  Status<std::unique_ptr<int>> status2;

  status1 = Status<std::unique_ptr<int>>{std::unique_ptr<int>{new int{11}}};

  status2 = Status<std::unique_ptr<int>>{std::unique_ptr<int>{new int{12}}};

  status1 = Status<std::unique_ptr<int>>{std::make_unique<int>(int{11})};

  status2 = Status<std::unique_ptr<int>>{std::make_unique<int>(int{12})};

  EXPECT_FALSE(status1.empty());

  EXPECT_FALSE(status2.empty());

  EXPECT_TRUE(status1.ok());

}

TEST(Status, Take) {

  Status<std::unique_ptr<int>> status{std::unique_ptr<int>{new int{123}}};

  Status<std::unique_ptr<int>> status{std::make_unique<int>(int{123})};

  EXPECT_FALSE(status.empty());

  EXPECT_NE(nullptr, status.get());

#include <hardware/gralloc1.h>

#include <log/log.h>

#include <memory>

#include "impl/vr_hwc.h"

#include "impl/vr_composer_client.h"

std::unique_ptr<ComposerCommandEngine>

VrComposerClient::createCommandEngine() {

  return std::unique_ptr<VrCommandEngine>(new VrCommandEngine(*this));

  return std::make_unique<VrCommandEngine>(*this);

}

VrComposerClient::VrCommandEngine::VrCommandEngine(VrComposerClient& client)