Index: Source/core/layout/LayoutCounter.h |
diff --git a/Source/core/layout/LayoutCounter.h b/Source/core/layout/LayoutCounter.h |
index 357e2f973bdbe13dd403e51e9ab9b932536b1db1..28b1873bad4b32f0f6bf011af6a0d2c2d9370ec9 100644 |
--- a/Source/core/layout/LayoutCounter.h |
+++ b/Source/core/layout/LayoutCounter.h |
@@ -67,7 +67,7 @@ DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutCounter, isCounter()); |
#ifndef NDEBUG |
// Outside the WebCore namespace for ease of invocation from gdb. |
-void showCounterLayoutTree(const blink::LayoutObject*, const char* counterName = 0); |
+void showCounterLayoutTree(const blink::LayoutObject*, const char* counterName = nullptr); |
#endif |
#endif // LayoutCounter_h |