Implement PaintWorkletGlobalScope#registerPaint() for the CSS Paint API

third_party/WebKit/Source/bindings/core/v8/V8PerContextData.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 131 matching lines @@
     if (!constructor->Get(context(), v8String(m_isolate, "prototype")).ToLocal(&prototypeValue) || !prototypeValue->IsObject())
         return v8::Local<v8::Object>();
     return prototypeValue.As<v8::Object>();
 }
 
 void V8PerContextData::addCustomElementBinding(CustomElementDefinition* definition, PassOwnPtr<CustomElementBinding> binding)
 {
     m_customElementBindings.append(std::move(binding));
 }
 
+void V8PerContextData::addCSSPaintBinding(PassOwnPtr<CSSPaintBinding> binding)
+{
+    m_cssPaintBindings.append(std::move(binding));
+}
+
 v8::Local<v8::Value> V8PerContextData::compiledPrivateScript(String className)
 {
     return m_compiledPrivateScript.Get(className);
 }
 
 void V8PerContextData::setCompiledPrivateScript(String className, v8::Local<v8::Value> compiledObject)
 {
     m_compiledPrivateScript.Set(className, compiledObject);
 }
 
 } // namespace blink