Start removing the double-negative !ASSERT_DISABLED

Source/core/rendering/RenderBlockFlow.cpp

Index: Source/core/rendering/RenderBlockFlow.cpp
diff --git a/Source/core/rendering/RenderBlockFlow.cpp b/Source/core/rendering/RenderBlockFlow.cpp
index 0bc97403bfdced8c7169039cadf37690343d6841..95a9f715380d7ff6a8772e9d70a99a47cfcfbe3b 100644
--- a/Source/core/rendering/RenderBlockFlow.cpp
+++ b/Source/core/rendering/RenderBlockFlow.cpp
@@ -511,7 +511,7 @@ void RenderBlockFlow::layoutBlockChild(RenderBox* child, MarginInfo& marginInfo,
     LayoutRect oldRect = child->frameRect();
     LayoutUnit oldLogicalTop = logicalTopForChild(child);
 
-#if !ASSERT_DISABLED
+#if ASSERT_ENABLED
     LayoutSize oldLayoutDelta = RuntimeEnabledFeatures::repaintAfterLayoutEnabled() ? LayoutSize() : view()->layoutDelta();
 #endif
     // Go ahead and position the child as though it didn't collapse with the top.
@@ -2251,7 +2251,7 @@ void RenderBlockFlow::removeFloatingObject(RenderBox* floatBox)
                         ASSERT(floatingObject->originatingLine()->renderer() == this);
                         floatingObject->originatingLine()->markDirty();
                     }
-#if !ASSERT_DISABLED
+#if ASSERT_ENABLED
                     floatingObject->setOriginatingLine(0);
 #endif
                 }