Fix compilation on ChromeOS

TBR=enga@chromium.org
Bug: dawn:200
Change-Id: I35a414a25deed9d1d66e7ce510a704aaa0548fa9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/28820
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
diff --git a/src/tests/white_box/VulkanImageWrappingTestsDmaBuf.cpp b/src/tests/white_box/VulkanImageWrappingTestsDmaBuf.cpp
index 8f6dae6..c139b95 100644
--- a/src/tests/white_box/VulkanImageWrappingTestsDmaBuf.cpp
+++ b/src/tests/white_box/VulkanImageWrappingTestsDmaBuf.cpp
@@ -151,8 +151,8 @@
             // assertion failure
             void IgnoreSignalSemaphore(wgpu::Texture wrappedTexture) {
                 dawn_native::vulkan::ExternalImageExportInfoDmaBuf exportInfo;
-                dawn_native::vulkan::ExportVulkanImage(wrappedTexture.Get(), VK_IMAGE_LAYOUT_GENERAL, &exportInfo));
-                for (int handle : info.semaphoreHandles) {
+                dawn_native::vulkan::ExportVulkanImage(wrappedTexture.Get(), VK_IMAGE_LAYOUT_GENERAL, &exportInfo);
+                for (int handle : exportInfo.semaphoreHandles) {
                     ASSERT_NE(handle, -1);
                     close(handle);
                 }