Implement PaintWorkletGlobalScope#registerPaint() for the CSS Paint API

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

Index: third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
index b81756c07c7e9fd8c65dfdf188866caa08aee5f7..814618c7cc23321a855edf1533686e179717ec4b 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
+++ b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
@@ -31,6 +31,7 @@
 #ifndef V8PerContextData_h
 #define V8PerContextData_h
 
+#include "bindings/core/v8/CSSPaintBinding.h"
 #include "bindings/core/v8/CustomElementBinding.h"
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/V8GlobalValueMap.h"
@@ -90,6 +91,7 @@ public:
     V8NPObjectMap* getV8NPObjectMap() { return &m_v8NPObjectMap; }
 
     void addCustomElementBinding(PassOwnPtr<CustomElementBinding>);
+    void addCSSPaintBinding(PassOwnPtr<CSSPaintBinding>);
 
     V8DOMActivityLogger* activityLogger() const { return m_activityLogger; }
     void setActivityLogger(V8DOMActivityLogger* activityLogger) { m_activityLogger = activityLogger; }
@@ -123,6 +125,9 @@ private:
     typedef Vector<OwnPtr<CustomElementBinding>> CustomElementBindingList;
     CustomElementBindingList m_customElementBindings;
 
+    typedef Vector<OwnPtr<CSSPaintBinding>> CSSPaintBindingList;
+    CSSPaintBindingList m_cssPaintBindings;
+
     // This is owned by a static hash map in V8DOMActivityLogger.
     V8DOMActivityLogger* m_activityLogger;