Rename several parameters to match WebGPU IDL

This patch renames the following parameters to match the latest WebGPU
IDL:
- BindGroupDescriptor.numBindings -> bindingCount
- BindGroupLayoutDescriptor.numBindings -> bindingCount
- BindGroupDescriptor.numBindings -> bindingCount
- queue.submit(numCommands, ..) -> commandCount
- RenderPipelineDescriptor.numColorStates -> colorStateCount
- TextureDescriptor:
  arraySize -> arrayLayerCount
  levelCount -> mipLevelCount
- TextureViewDescriptor:
  levelCount -> mipLevelCount
  layerCount -> arrayLayerCount

BUG=dawn:80

Change-Id: I615842dd5754d1ae1ddff31e25403bb3161f0201
Reviewed-on: https://dawn-review.googlesource.com/c/4881
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
diff --git a/examples/CHelloTriangle.cpp b/examples/CHelloTriangle.cpp
index 302db61..4a9fe34 100644
--- a/examples/CHelloTriangle.cpp
+++ b/examples/CHelloTriangle.cpp
@@ -83,13 +83,13 @@
         colorStateDescriptor.colorBlend = blendDescriptor;
         colorStateDescriptor.colorWriteMask = DAWN_COLOR_WRITE_MASK_ALL;
 
-        descriptor.numColorStates = 1;
+        descriptor.colorStateCount = 1;
         dawnColorStateDescriptor* colorStatesPtr[] = {&colorStateDescriptor};
         descriptor.colorStates = colorStatesPtr;
 
         dawnPipelineLayoutDescriptor pl;
         pl.nextInChain = nullptr;
-        pl.numBindGroupLayouts = 0;
+        pl.bindGroupLayoutCount = 0;
         pl.bindGroupLayouts = nullptr;
         descriptor.layout = dawnDeviceCreatePipelineLayout(device, &pl);
 
diff --git a/examples/CppHelloTriangle.cpp b/examples/CppHelloTriangle.cpp
index e4f4bc1..00e14ae 100644
--- a/examples/CppHelloTriangle.cpp
+++ b/examples/CppHelloTriangle.cpp
@@ -54,10 +54,10 @@
     descriptor.size.width = 1024;
     descriptor.size.height = 1024;
     descriptor.size.depth = 1;
-    descriptor.arraySize = 1;
+    descriptor.arrayLayerCount = 1;
     descriptor.sampleCount = 1;
     descriptor.format = dawn::TextureFormat::R8G8B8A8Unorm;
-    descriptor.levelCount = 1;
+    descriptor.mipLevelCount = 1;
     descriptor.usage = dawn::TextureUsageBit::TransferDst | dawn::TextureUsageBit::Sampled;
     texture = device.CreateTexture(&descriptor);
 
diff --git a/examples/SampleUtils.cpp b/examples/SampleUtils.cpp
index 715e1b5..b78cf58 100644
--- a/examples/SampleUtils.cpp
+++ b/examples/SampleUtils.cpp
@@ -161,10 +161,10 @@
     descriptor.size.width = 640;
     descriptor.size.height = 480;
     descriptor.size.depth = 1;
-    descriptor.arraySize = 1;
+    descriptor.arrayLayerCount = 1;
     descriptor.sampleCount = 1;
     descriptor.format = dawn::TextureFormat::D32FloatS8Uint;
-    descriptor.levelCount = 1;
+    descriptor.mipLevelCount = 1;
     descriptor.usage = dawn::TextureUsageBit::OutputAttachment;
     auto depthStencilTexture = device.CreateTexture(&descriptor);
     return depthStencilTexture.CreateDefaultTextureView();
diff --git a/examples/glTFViewer/glTFViewer.cpp b/examples/glTFViewer/glTFViewer.cpp
index 127c324..2097e86 100644
--- a/examples/glTFViewer/glTFViewer.cpp
+++ b/examples/glTFViewer/glTFViewer.cpp
@@ -419,10 +419,10 @@
             descriptor.size.width = iImage.width;
             descriptor.size.height = iImage.height;
             descriptor.size.depth = 1;
-            descriptor.arraySize = 1;
+            descriptor.arrayLayerCount = 1;
             descriptor.sampleCount = 1;
             descriptor.format = format;
-            descriptor.levelCount = 1;
+            descriptor.mipLevelCount = 1;
             descriptor.usage = dawn::TextureUsageBit::TransferDst | dawn::TextureUsageBit::Sampled;
             auto oTexture = device.CreateTexture(&descriptor);
                 // TODO: release this texture