convert //gpu to std::unique_ptr

gpu/vulkan/vulkan_command_pool.cc

 // Copyright (c) 2016 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.
 
 #include "gpu/vulkan/vulkan_command_pool.h"
 
 #include "base/logging.h"
 #include "gpu/vulkan/vulkan_command_buffer.h"
 #include "gpu/vulkan/vulkan_device_queue.h"
 #include "gpu/vulkan/vulkan_implementation.h"
@@ skipping 28 matching lines @@
 }
 
 void VulkanCommandPool::Destroy() {
   DCHECK_EQ(0u, command_buffer_count_);
   if (VK_NULL_HANDLE != handle_) {
     vkDestroyCommandPool(device_queue_->GetVulkanDevice(), handle_, nullptr);
     handle_ = VK_NULL_HANDLE;
   }
 }
 
-scoped_ptr<VulkanCommandBuffer>
+std::unique_ptr<VulkanCommandBuffer>
 VulkanCommandPool::CreatePrimaryCommandBuffer() {
-  scoped_ptr<VulkanCommandBuffer> command_buffer(
+  std::unique_ptr<VulkanCommandBuffer> command_buffer(
       new VulkanCommandBuffer(device_queue_, this, true));
   if (!command_buffer->Initialize())
     return nullptr;
 
   return command_buffer;
 }
 
-scoped_ptr<VulkanCommandBuffer>
+std::unique_ptr<VulkanCommandBuffer>
 VulkanCommandPool::CreateSecondaryCommandBuffer() {
-  scoped_ptr<VulkanCommandBuffer> command_buffer(
+  std::unique_ptr<VulkanCommandBuffer> command_buffer(
       new VulkanCommandBuffer(device_queue_, this, false));
   if (!command_buffer->Initialize())
     return nullptr;
 
   return command_buffer;
 }
 
 void VulkanCommandPool::IncrementCommandBufferCount() {
   command_buffer_count_++;
 }
 
 void VulkanCommandPool::DecrementCommandBufferCount() {
   DCHECK_LT(0u, command_buffer_count_);
   command_buffer_count_--;
 }
 
 }  // namespace gpu