[css-paint-api] Move to RenderWorkletGlobalScope

Author: bfgeek

css-paint-api/Overview.bs

@@ -70,13 +70,13 @@ Registering Custom Paint {#registering-custom-paint}
 <pre class='idl'>
 callback VoidFunction = void ();
 
-interface PaintWorkletGlobalScope : WorkletGlobalScope {
+partial interface RenderWorkletGlobalScope {
     void registerPaint(DOMString name, VoidFunction paintCtor);
     void unregisterPaint(DOMString name);
 };
 </pre>
 
-A {{PaintWorkletGlobalScope}} has a map of <b>name to paint instance map</b>. Initially this map is empty; it is populated when {{registerPaint(name, paintCtor)}} is called.
+The {{RenderWorkletGlobalScope}} has a map of <b>name to paint instance map</b>. Initially this map is empty; it is populated when {{registerPaint(name, paintCtor)}} is called.
 
 <div class='note'>
     Note: This is how the class should look.
@@ -89,7 +89,7 @@ A {{PaintWorkletGlobalScope}} has a map of <b>name to paint instance map</b>. In
     </pre>
 </div>
 
-When the <dfn method for=PaintWorkletGlobalScope>registerPaint(<var>name</var>, <var>paintCtor</var>)</dfn> method is called, the user agent <em>must</em> run the following steps:
+When the <dfn method for=RenderWorkletGlobalScope>registerPaint(<var>name</var>, <var>paintCtor</var>)</dfn> method is called, the user agent <em>must</em> run the following steps:
     1. If the |name| is not a valid <<ident>>, <a>throw</a> a <a>NotSupportedError</a> and abort all these steps.
     2. If the |name| exists as a key in the <b>name to paint instance map</b>, <a>throw</a> a <a>NotSupportedError</a> and abort all these steps.
     3. If the result of <a>IsConstructor</a>(argument=|paintCtor|) is false, <a>throw</a> a <a>NotSupportedError</a> and abort all these steps.
@@ -100,7 +100,7 @@ When the <dfn method for=PaintWorkletGlobalScope>registerPaint(<var>name</var>,
     8. If the result of <a>IsArray</a>(argument=|inputProperties|) is false, <a>throw</a> a <a>NotSupportedError</a> and abort all these steps.
     9. Add the key-value pair (|name| - |inputProperties|) to the <b>paint name to input properties map</b> of the associated <a>document</a>.
     10. Let <var>paintInstance</var> be the result of <a>Construct</a>(|paintCtor|).
-    11. Add the key-value pair (|name| - |paintInstance|) to the <b>name to paint instance map</b> of the {{PaintWorkletGlobalScope}}.
+    11. Add the key-value pair (|name| - |paintInstance|) to the <b>name to paint instance map</b> of the {{RenderWorkletGlobalScope}}.
 
 Note: The list of CSS properties provided by the input properties getter can either be custom or native CSS properties.
 
@@ -112,9 +112,9 @@ Note: In a future version of the spec, the author may be able to set an option t
 
 Issue(w3c/css-houdini-drafts#31): Allow author to specify the intrinsic size.
 
-When the <dfn method for=PaintWorkletGlobalScope>unregisterPaint(<var>name</var>)</dfn> method is called, the user agent <em>must</em> run the following steps:
+When the <dfn method for=RenderWorkletGlobalScope>unregisterPaint(<var>name</var>)</dfn> method is called, the user agent <em>must</em> run the following steps:
     1. Remove the key-value pair associated with the |name| key in the <b>paint name to input properties map</b> of the associated <a>document</a>.
-    2. Remove the key-value pair associated with the |name| key in the <b>name to paint instance map</b> of the {{PaintWorkletGlobalScope}}.
+    2. Remove the key-value pair associated with the |name| key in the <b>name to paint instance map</b> of the {{RenderWorkletGlobalScope}}.
 
 Paint Notation {#paint-notation}
 ================================
@@ -219,7 +219,7 @@ When the user agent wants to <dfn>draw an image</dfn> of a <<paint()>> for a <va
     6. Let <var>overflow</var> be the result <a>invoke a method on a class inside a Worklet</a> given "overflow" as the <em>methodPropertyKey</em> and [|styleMap|] as the <em>arguments</em> with the following options:
         - To <a>create a worklet global scope</a> the user agent will:
 
-            Return a new {{PaintWorkletGlobalScope}}.
+            Return a new {{RenderWorkletGlobalScope}}.
         - To <a>lookup a class instance on a worklet global scope</a> given a |workletGlobalScope|, the user agent will:
 
             Return the result of looking up |name| on the |workletGlobalScope|'s <b>name to paint instance map</b>.
@@ -244,7 +244,7 @@ When the user agent wants to <dfn>draw an image</dfn> of a <<paint()>> for a <va
     9. To produce the image output, <a>invoke a method on a class inside a Worklet</a> given "paint" as the <em>methodPropertyKey</em> and [|renderingContext|, |geometry|, |styleMap|] as the <em>arguments</em> with the following options:
         - To <a>create a worklet global scope</a> the user agent will:
 
-            Return a new {{PaintWorkletGlobalScope}}.
+            Return a new {{RenderWorkletGlobalScope}}.
         - To <a>lookup a class instance on a worklet global scope</a> given a |workletGlobalScope|, the user agent will:
 
             Return the result of looking up |name| on the |workletGlobalScope|'s <b>name to paint instance map</b>.
@@ -279,7 +279,7 @@ Example 1: A colored circle. {#example-1}
 -----------------------------------------
 
 <pre class='lang-javascript'>
-// Inside PaintWorkletGlobalScope.
+// Inside RenderWorkletGlobalScope.
 registerPaint('circle', class {
     static get inputProperties() { return ['--circle-color']; }
     paint(ctx, geom, properties) {