Remove CHECK_FAST_PATH_SLOW_PATH_EQUALITY

third_party/WebKit/Source/core/layout/PaintInvalidationState.h

Index: third_party/WebKit/Source/core/layout/PaintInvalidationState.h
diff --git a/third_party/WebKit/Source/core/layout/PaintInvalidationState.h b/third_party/WebKit/Source/core/layout/PaintInvalidationState.h
index 75cee297061b12e5c54070f2beecf0b3e540dddc..4299d2bc31ad86eed94395737db9d97a9b9a4103 100644
--- a/third_party/WebKit/Source/core/layout/PaintInvalidationState.h
+++ b/third_party/WebKit/Source/core/layout/PaintInvalidationState.h
@@ -172,17 +172,6 @@ class CORE_EXPORT PaintInvalidationState {
 #if DCHECK_IS_ON()
   bool did_update_for_children_ = false;
 #endif
-
-#if DCHECK_IS_ON() && !defined(NDEBUG)
-// #define CHECK_FAST_PATH_SLOW_PATH_EQUALITY
-#endif
-
-#ifdef CHECK_FAST_PATH_SLOW_PATH_EQUALITY
-  void assertFastPathAndSlowPathRectsEqual(
-      const LayoutRect& fastPathRect,
-      const LayoutRect& slowPathRect) const;
-  bool m_canCheckFastPathSlowPathEquality;
-#endif
 };
 
 // This is temporary to adapt legacy PaintInvalidationState to