Replace ASSERT with DCHECK in core/layout/ excluding subdirs

third_party/WebKit/Source/core/layout/LayoutObjectInlines.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 LayoutObjectInlines_h
 #define LayoutObjectInlines_h
 
 #include "core/dom/StyleEngine.h"
 #include "core/layout/LayoutObject.h"
 
 namespace blink {
 
 // The following methods are inlined for performance but not put in
 // LayoutObject.h because that would unnecessarily tie LayoutObject.h
 // to StyleEngine.h for all users of LayoutObject.h that don't use
 // these methods.
 
 inline const ComputedStyle* LayoutObject::firstLineStyle() const {
   return document().styleEngine().usesFirstLineRules() ? cachedFirstLineStyle()
                                                        : style();
 }
 
 inline const ComputedStyle& LayoutObject::firstLineStyleRef() const {
   const ComputedStyle* style = firstLineStyle();
-  ASSERT(style);
+  DCHECK(style);
   return *style;
 }
 
 inline const ComputedStyle* LayoutObject::style(bool firstLine) const {
   return firstLine ? firstLineStyle() : style();
 }
 
 inline const ComputedStyle& LayoutObject::styleRef(bool firstLine) const {
   const ComputedStyle* style = this->style(firstLine);
-  ASSERT(style);
+  DCHECK(style);
   return *style;
 }
 
 }  // namespace blink
 
 #endif