Replace ENABLE(ASSERT) with DCHECK_IS_ON().

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PaintInvalidationState_h
 #define PaintInvalidationState_h
 
 #include "core/CoreExport.h"
 #include "core/paint/PaintInvalidator.h"
 #include "platform/geometry/LayoutRect.h"
@@ skipping 152 matching lines @@
   // SVG root to the userspace _before_ the relevant element. Combining this
   // with |m_paintOffset| yields the "final" offset.
   AffineTransform m_svgTransform;
 
   // Records objects needing paint invalidation on the next frame. See the
   // definition of PaintInvalidationDelayedFull for more details.
   Vector<const LayoutObject*>& m_pendingDelayedPaintInvalidations;
 
   PaintLayer& m_paintingLayer;
 
-#if ENABLE(ASSERT)
-  bool m_didUpdateForChildren;
+#if DCHECK_IS_ON()
+  bool m_didUpdateForChildren = false;
 #endif
 
-#if ENABLE(ASSERT) && !defined(NDEBUG)
+#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
 // PaintInvalidatorContext
 class PaintInvalidatorContextAdapter : public PaintInvalidatorContext {
  public:
   PaintInvalidatorContextAdapter(const PaintInvalidationState&);
   void mapLocalRectToPaintInvalidationBacking(const LayoutObject&,
                                               LayoutRect&) const override;
 
  private:
   const PaintInvalidationState& m_paintInvalidationState;
 };
 
 }  // namespace blink
 
 #endif  // PaintInvalidationState_h