1 files changed, 10 insertions, 0 deletions
diff --git a/src/core/SkDraw_vertices.cpp b/src/core/SkDraw_vertices.cpp
index de6eaea5b6..000be07cea 100644
--- a/src/core/SkDraw_vertices.cpp
+++ b/src/core/SkDraw_vertices.cpp
@@ -77,6 +77,8 @@ public:
 
     bool isOpaque() const override { return fIsOpaque; }
 
+    void toString(SkString* str) const override;
+
     // For serialization.  This will never be called.
     Factory getFactory() const override { SK_ABORT("not reached"); return nullptr; }
 
@@ -97,6 +99,14 @@ private:
     typedef SkShaderBase INHERITED;
 };
 
+void SkTriColorShader::toString(SkString* str) const {
+    str->append("SkTriColorShader: (");
+
+    this->INHERITED::toString(str);
+
+    str->append(")");
+}
+
 static bool SK_WARN_UNUSED_RESULT
 update_tricolor_matrix(const SkMatrix& ctmInv, const SkPoint pts[], const SkPM4f colors[],
                        int index0, int index1, int index2, Matrix43* result) {