| Index: third_party/WebKit/Source/core/layout/LayoutBlock.h | 
| diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.h b/third_party/WebKit/Source/core/layout/LayoutBlock.h | 
| index 8f520d56ed92aab8ff0c9a2a67490698867b8e38..1acf4f4b6e0bdd62075dc67a7508b998097be3f8 100644 | 
| --- a/third_party/WebKit/Source/core/layout/LayoutBlock.h | 
| +++ b/third_party/WebKit/Source/core/layout/LayoutBlock.h | 
| @@ -256,9 +256,6 @@ public: | 
| #if ENABLE(ASSERT) | 
| void checkPositionedObjectsNeedLayout(); | 
| #endif | 
| -#ifndef NDEBUG | 
| -    void showLineTreeAndMark(const InlineBox* = nullptr, const char* = nullptr, const InlineBox* = nullptr, const char* = nullptr, const LayoutObject* = nullptr) const; | 
| -#endif | 
|  | 
| protected: | 
| bool recalcNormalFlowChildOverflowIfNeeded(LayoutObject*); | 
|  |