Hook up CSSPaintValue::image to CSS Paint API callback.

third_party/WebKit/Source/modules/csspaint/PaintWorklet.h

Index: third_party/WebKit/Source/modules/csspaint/PaintWorklet.h
diff --git a/third_party/WebKit/Source/modules/csspaint/PaintWorklet.h b/third_party/WebKit/Source/modules/csspaint/PaintWorklet.h
index ce46711b717c3a016cd7c899a8ba3efa78d78189..b4f66a1fee2f2713ea0eb8f19da8afa6c39a5403 100644
--- a/third_party/WebKit/Source/modules/csspaint/PaintWorklet.h
+++ b/third_party/WebKit/Source/modules/csspaint/PaintWorklet.h
@@ -5,25 +5,32 @@
 #ifndef PaintWorklet_h
 #define PaintWorklet_h
 
+#include "modules/ModulesExport.h"
 #include "modules/worklet/Worklet.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
-class PaintWorklet final : public Worklet {
+class CSSPaintDefinition;
+class CSSPaintImageGeneratorImpl;
+class PaintWorkletGlobalScope;
+
+class MODULES_EXPORT PaintWorklet final : public Worklet {
     WTF_MAKE_NONCOPYABLE(PaintWorklet);
 public:
     static PaintWorklet* create(LocalFrame*, ExecutionContext*);
     ~PaintWorklet() override;
 
-    WorkletGlobalScope* workletGlobalScope() const final { return m_paintWorkletGlobalScope.get(); }
+    WorkletGlobalScope* workletGlobalScope() const final;
+    CSSPaintDefinition* findDefinition(const String& name);
+    void addPendingGenerator(const String& name, CSSPaintImageGeneratorImpl*);
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     PaintWorklet(LocalFrame*, ExecutionContext*);
 
-    Member<WorkletGlobalScope> m_paintWorkletGlobalScope;
+    Member<PaintWorkletGlobalScope> m_paintWorkletGlobalScope;
 };
 
 } // namespace blink