Remove deprecated RenderPass*Attachment.attachment

Bug: dawn:762
Change-Id: I86144f77ffd647d2e5c01742fb67367c7a5c914e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/63382
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Brandon Jones <bajones@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
diff --git a/src/tests/white_box/D3D12DescriptorHeapTests.cpp b/src/tests/white_box/D3D12DescriptorHeapTests.cpp
index 77e6b80..b38eb5f 100644
--- a/src/tests/white_box/D3D12DescriptorHeapTests.cpp
+++ b/src/tests/white_box/D3D12DescriptorHeapTests.cpp
@@ -763,7 +763,7 @@
         utils::ComboRenderPassDescriptor renderPassDesc({textureView});
         renderPassDesc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear;
         renderPassDesc.cColorAttachments[0].clearColor = {0.0f, 1.0f, 0.0f, 1.0f};
-        renderPass.renderPassInfo.cColorAttachments[0].attachment = textureView;
+        renderPass.renderPassInfo.cColorAttachments[0].view = textureView;
 
         wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
         auto pass = encoder.BeginRenderPass(&renderPassDesc);