Clean up some assertion code in WebKit.

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

Index: third_party/WebKit/Source/platform/graphics/GraphicsContext.h
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsContext.h b/third_party/WebKit/Source/platform/graphics/GraphicsContext.h
index 71fde7edaa75c97d6418e8c14a66dfe454fdba5a..6416ca5641c575d0353959e69de1f305a63d7c7f 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsContext.h
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsContext.h
@@ -271,7 +271,7 @@ public:
     static int focusRingWidth(int width) { return 1; }
 #endif
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
     void setInDrawingRecorder(bool);
 #endif
 
@@ -353,7 +353,7 @@ private:
 
     SkMetaData m_metaData;
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
     unsigned m_layerCount;
     bool m_disableDestructionChecks;
     bool m_inDrawingRecorder;