Make v8 inspector not crash

sky/engine/core/fetch/ImageResource.h

Index: sky/engine/core/fetch/ImageResource.h
diff --git a/sky/engine/core/fetch/ImageResource.h b/sky/engine/core/fetch/ImageResource.h
index a121f82ca84d680405586688c3a2e7290a670aa8..c47bba43b1310416bdd29f6c49a276c63044d851 100644
--- a/sky/engine/core/fetch/ImageResource.h
+++ b/sky/engine/core/fetch/ImageResource.h
@@ -58,8 +58,6 @@ public:
     bool hasImage() const { return m_image.get(); }
     bool currentFrameKnownToBeOpaque(const RenderObject*); // Side effect: ensures decoded image is in cache, therefore should only be called when about to draw the image.
 
-    static std::pair<blink::Image*, float> brokenImage(float deviceScaleFactor); // Returns an image and the image's resolution scale factor.
-
     bool canRender(const RenderObject& renderer) { return !errorOccurred() && !imageSizeForRenderer(&renderer).isEmpty(); }
 
     void setContainerSizeForRenderer(const ImageResourceClient*, const IntSize&);