[ Do not submit ] Prototype for invalidation analysis

Source/core/rendering/GraphicsContextAnnotator.h

Index: Source/core/rendering/GraphicsContextAnnotator.h
diff --git a/Source/core/rendering/GraphicsContextAnnotator.h b/Source/core/rendering/GraphicsContextAnnotator.h
index 8cbb6c0d842ce911d5032f506c12184218c5adef..75729e972217f5f5c855ffa3028900ef61bb60e1 100644
--- a/Source/core/rendering/GraphicsContextAnnotator.h
+++ b/Source/core/rendering/GraphicsContextAnnotator.h
@@ -32,7 +32,9 @@
 #ifndef GraphicsContextAnnotator_h
 #define GraphicsContextAnnotator_h
 
+// FIXME: Introduce a real paint API instead of piggybacking on GraphicsContextAnnotator.
 #define ANNOTATE_GRAPHICS_CONTEXT(paintInfo, renderer) \
+    GraphicsContextAnnotator::trackPaintInvalidation(paintInfo, renderer); \
     GraphicsContextAnnotator scopedGraphicsContextAnnotator; \
     if (UNLIKELY(paintInfo.context->annotationMode())) \
         scopedGraphicsContextAnnotator.annotate(paintInfo, renderer)
@@ -57,6 +59,8 @@ public:
 
     void annotate(const PaintInfo&, const RenderObject*);
 
+    static void trackPaintInvalidation(const PaintInfo&, RenderObject*);
+
 private:
     void finishAnnotation();