Use the default values for Dispatch in examples and tests

Bug: dawn:22
Change-Id: I4f83b966ee73ed92dc6648e3c59fac1be89031e1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/18381
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
diff --git a/src/tests/end2end/GpuMemorySynchronizationTests.cpp b/src/tests/end2end/GpuMemorySynchronizationTests.cpp
index a246244..d396a5f 100644
--- a/src/tests/end2end/GpuMemorySynchronizationTests.cpp
+++ b/src/tests/end2end/GpuMemorySynchronizationTests.cpp
@@ -111,7 +111,7 @@
         wgpu::ComputePassEncoder pass = encoder.BeginComputePass();
         pass.SetPipeline(compute);
         pass.SetBindGroup(0, bindGroup);
-        pass.Dispatch(1, 1, 1);
+        pass.Dispatch(1);
         pass.EndPass();
     }
 
@@ -183,7 +183,7 @@
     wgpu::ComputePassEncoder pass1 = encoder.BeginComputePass();
     pass1.SetPipeline(compute);
     pass1.SetBindGroup(0, bindGroup1);
-    pass1.Dispatch(1, 1, 1);
+    pass1.Dispatch(1);
     pass1.EndPass();
 
     wgpu::CommandBuffer commands = encoder.Finish();
@@ -214,7 +214,7 @@
     wgpu::ComputePassEncoder pass0 = encoder.BeginComputePass();
     pass0.SetPipeline(compute);
     pass0.SetBindGroup(0, bindGroup1);
-    pass0.Dispatch(1, 1, 1);
+    pass0.Dispatch(1);
     pass0.EndPass();
 
     // Read that data in render pass.
@@ -318,7 +318,7 @@
     wgpu::ComputePassEncoder pass0 = encoder0.BeginComputePass();
     pass0.SetPipeline(compute);
     pass0.SetBindGroup(0, computeBindGroup);
-    pass0.Dispatch(1, 1, 1);
+    pass0.Dispatch(1);
     pass0.EndPass();
 
     // Read that data in render pass.
@@ -355,7 +355,7 @@
     wgpu::ComputePassEncoder pass0 = encoder0.BeginComputePass();
     pass0.SetPipeline(compute);
     pass0.SetBindGroup(0, computeBindGroup);
-    pass0.Dispatch(1, 1, 1);
+    pass0.Dispatch(1);
     pass0.EndPass();
     cb[0] = encoder0.Finish();
 
@@ -394,7 +394,7 @@
     wgpu::ComputePassEncoder pass0 = encoder0.BeginComputePass();
     pass0.SetPipeline(compute);
     pass0.SetBindGroup(0, computeBindGroup);
-    pass0.Dispatch(1, 1, 1);
+    pass0.Dispatch(1);
     pass0.EndPass();
     cb[0] = encoder0.Finish();
     queue.Submit(1, &cb[0]);
@@ -499,7 +499,7 @@
     wgpu::ComputePassEncoder pass0 = encoder.BeginComputePass();
     pass0.SetPipeline(cp);
     pass0.SetBindGroup(0, bindGroup0);
-    pass0.Dispatch(1, 1, 1);
+    pass0.Dispatch(1);
     pass0.EndPass();
 
     // Create pipeline, bind group, and reuse buffers in render pass.
@@ -621,7 +621,7 @@
     wgpu::ComputePassEncoder pass0 = encoder.BeginComputePass();
     pass0.SetPipeline(cp);
     pass0.SetBindGroup(0, bindGroup0);
-    pass0.Dispatch(1, 1, 1);
+    pass0.Dispatch(1);
     pass0.EndPass();
 
     // Create pipeline, bind group, and reuse the buffer in render pass.