Allow assertions to be enabled in Blink Release builds.

Source/core/rendering/compositing/CompositingInputsUpdater.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 CompositingInputsUpdater_h
 #define CompositingInputsUpdater_h
 
 #include "core/rendering/RenderGeometryMap.h"
 
 namespace WebCore {
 
 class RenderLayer;
 
 class CompositingInputsUpdater {
 public:
     explicit CompositingInputsUpdater(RenderLayer* rootRenderLayer);
     ~CompositingInputsUpdater();
 
     void update();
 
-#if ASSERT_ENABLED
+#if ENABLE(ASSERT)
     static void assertNeedsCompositingInputsUpdateBitsCleared(RenderLayer*);
 #endif
 
 private:
     enum UpdateType {
         DoNotForceUpdate,
         ForceUpdate,
     };
 
     struct AncestorInfo {
@@ skipping 20 matching lines @@
 
     void updateRecursive(RenderLayer*, UpdateType, AncestorInfo);
 
     RenderGeometryMap m_geometryMap;
     RenderLayer* m_rootRenderLayer;
 };
 
 } // namespace WebCore
 
 #endif // CompositingInputsUpdater_h