Make the dynamicOffsets optional in SetBindGroup.

BUG=dawn:22

Change-Id: I9d032d9be16a483046edc6055b86e61ae08118e4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/12023
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
diff --git a/examples/CppHelloTriangle.cpp b/examples/CppHelloTriangle.cpp
index 937c006..c9331c1 100644
--- a/examples/CppHelloTriangle.cpp
+++ b/examples/CppHelloTriangle.cpp
@@ -161,7 +161,7 @@
     {
         dawn::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass);
         pass.SetPipeline(pipeline);
-        pass.SetBindGroup(0, bindGroup, 0, nullptr);
+        pass.SetBindGroup(0, bindGroup);
         pass.SetVertexBuffers(0, 1, &vertexBuffer, vertexBufferOffsets);
         pass.SetIndexBuffer(indexBuffer, 0);
         pass.DrawIndexed(3, 1, 0, 0, 0);