Remove unused code in VulkanSwapChain.

gpu/vulkan/vulkan_swap_chain.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_swap_chain.h"
 
 #include "gpu/vulkan/vulkan_command_buffer.h"
 #include "gpu/vulkan/vulkan_command_pool.h"
 #include "gpu/vulkan/vulkan_device_queue.h"
 #include "gpu/vulkan/vulkan_image_view.h"
@@ skipping 25 matching lines @@
 }
 
 gfx::SwapResult VulkanSwapChain::SwapBuffers() {
   VkResult result = VK_SUCCESS;
 
   VkDevice device = device_queue_->GetVulkanDevice();
   VkQueue queue = device_queue_->GetVulkanQueue();
 
   std::unique_ptr<ImageData>& current_image_data = images_[current_image_];
 
-  // Default image subresource range.
-  VkImageSubresourceRange image_subresource_range = {};
-  image_subresource_range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
-  image_subresource_range.baseMipLevel = 0;
-  image_subresource_range.levelCount = 1;
-  image_subresource_range.baseArrayLayer = 0;
-  image_subresource_range.layerCount = 1;
-
   // Submit our command buffer for the current buffer.
   if (!current_image_data->command_buffer->Submit(
           1, &current_image_data->present_semaphore, 1,
           &current_image_data->render_semaphore)) {
     return gfx::SwapResult::SWAP_FAILED;
   }
 
   // Queue the present.
   VkPresentInfoKHR present_info = {};
   present_info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
@@ skipping 228 matching lines @@
     command_pool_->Destroy();
     command_pool_.reset();
   }
 }
 
 VulkanSwapChain::ImageData::ImageData() {}
 
 VulkanSwapChain::ImageData::~ImageData() {}
 
 }  // namespace gpu