Improve Visual Studio debug visualizers

tools/win/DebugVisualizers/skia.natvis

Index: tools/win/DebugVisualizers/skia.natvis
diff --git a/tools/win/DebugVisualizers/skia.natvis b/tools/win/DebugVisualizers/skia.natvis
index 40502fdd6592978c60302a0ac1f2c18dc0a1beee..a69b22d849a803fb4f0b53a98e51e01e1d942597 100644
--- a/tools/win/DebugVisualizers/skia.natvis
+++ b/tools/win/DebugVisualizers/skia.natvis
@@ -4,35 +4,15 @@
   <Type Name="SkPoint">
     <AlternativeType Name="SkIPoint"/>
     <DisplayString>({fX}, {fY})</DisplayString>
-    <Expand>
-      <Item Name="X">fX</Item>
-      <Item Name="Y">fY</Item>
-    </Expand>
   </Type>
   <Type Name="SkSize">
     <DisplayString>({fWidth}, {fHeight})</DisplayString>
-    <Expand>
-      <Item Name="Width">fWidth</Item>
-      <Item Name="Height">fHeight</Item>
-    </Expand>
   </Type>
   <Type Name="SkRect">
     <AlternativeType Name="SkIRect"/>
-    <DisplayString>({fLeft}, {fTop}) x ({fRight - fLeft}, {fBottom - fTop})</DisplayString>
-    <Expand>
-      <Item Name="Left">fLeft</Item>
-      <Item Name="Top">fTop</Item>
-      <Item Name="Right">fRight</Item>
-      <Item Name="Bottom">fBottom</Item>
-      <Synthetic Name="Width">
-        <DisplayString>{fRight - fLeft}</DisplayString>
-      </Synthetic>
-      <Synthetic Name="Height">
-        <DisplayString>{fBottom - fTop}</DisplayString>
-      </Synthetic>
-    </Expand>
+    <DisplayString>({fLeft}, {fTop}), ({fRight}, {fBottom})</DisplayString>
   </Type>
   <Type Name="LogFontTypeface">
     <DisplayString>{fLogFont.lfFaceName,su}</DisplayString>
   </Type>
-</AutoVisualizer>
+</AutoVisualizer>