Replace ASSERT, ASSERT_NOT_REACHED, and RELEASE_ASSERT in core/css/

third_party/WebKit/Source/core/css/PropertySetCSSStyleDeclaration.h

 /*
  * Copyright (C) 2012 Apple 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 76 matching lines @@
 class PropertySetCSSStyleDeclaration
     : public AbstractPropertySetCSSStyleDeclaration {
  public:
   PropertySetCSSStyleDeclaration(MutableStylePropertySet& propertySet)
       : m_propertySet(&propertySet) {}
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   MutableStylePropertySet& propertySet() const final {
-    ASSERT(m_propertySet);
+    DCHECK(m_propertySet);
     return *m_propertySet;
   }
 
   PropertyRegistry* propertyRegistry() const override { return nullptr; }
 
   Member<MutableStylePropertySet> m_propertySet;  // Cannot be null
 };
 
 class StyleRuleCSSStyleDeclaration : public PropertySetCSSStyleDeclaration {
  public:
@@ skipping 37 matching lines @@
 
   void didMutate(MutationType) override;
   PropertyRegistry* propertyRegistry() const final;
 
   Member<Element> m_parentElement;
 };
 
 }  // namespace blink
 
 #endif