Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/platform/graphics/GraphicsContext.h

 /*
  * Copyright (C) 2003, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 73 matching lines @@
 
   PaintController& getPaintController() { return m_paintController; }
   const ColorBehavior& getColorBehavior() const { return m_colorBehavior; }
 
   bool contextDisabled() const { return m_disabledState; }
 
   // ---------- State management methods -----------------
   void save();
   void restore();
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   unsigned saveCount() const;
 #endif
 
   float strokeThickness() const {
     return immutableState()->getStrokeData().thickness();
   }
   void setStrokeThickness(float thickness) {
     mutableState()->setStrokeThickness(thickness);
   }
 
@@ skipping 357 matching lines @@
 
   float m_deviceScaleFactor;
 
   unsigned m_printing : 1;
   unsigned m_hasMetaData : 1;
 };
 
 }  // namespace blink
 
 #endif  // GraphicsContext_h