[WebGPU] Rename GPUSamplerDescriptor compareFunction to compare

This CL renames GPUSamplerDescriptor compareFunction to compare as
specified in
https://gpuweb.github.io/gpuweb/#dictdef-gpusamplerdescriptor

Bug: 877147
Change-Id: Ib5de8ffd802e40540049cedde9fccf0192dd4568
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1820741
Auto-Submit: François Beaufort <beaufort.francois@gmail.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#699305}

third_party/blink/renderer/modules/webgpu/gpu_sampler.cc

@@ -29,8 +29,7 @@ DawnSamplerDescriptor AsDawnType(const GPUSamplerDescriptor* webgpu_desc) {
       AsDawnEnum<DawnFilterMode>(webgpu_desc->mipmapFilter());
   dawn_desc.lodMinClamp = webgpu_desc->lodMinClamp();
   dawn_desc.lodMaxClamp = webgpu_desc->lodMaxClamp();
-  dawn_desc.compare =
-      AsDawnEnum<DawnCompareFunction>(webgpu_desc->compareFunction());
+  dawn_desc.compare = AsDawnEnum<DawnCompareFunction>(webgpu_desc->compare());
 
   return dawn_desc;
 }

third_party/blink/renderer/modules/webgpu/gpu_sampler_descriptor.idl

@@ -13,7 +13,7 @@ dictionary GPUSamplerDescriptor {
     GPUFilterMode mipmapFilter = "nearest";
     float lodMinClamp = 0;
     float lodMaxClamp = 0xffffffff;
-    GPUCompareFunction compareFunction = "never";
+    GPUCompareFunction compare = "never";
 };
 
 enum GPUAddressMode {