Declare methods defined in LayoutObjectInlines.h as inline.

third_party/WebKit/Source/core/layout/LayoutObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1067 matching lines @@
     const ComputedStyle* style() const { return m_style.get(); }
     ComputedStyle* mutableStyle() const { return m_style.get(); }
 
     // m_style can only be nullptr before the first style is set, thus most
     // callers will never see a nullptr style and should use styleRef().
     // FIXME: It would be better if style() returned a const reference.
     const ComputedStyle& styleRef() const { return mutableStyleRef(); }
     ComputedStyle& mutableStyleRef() const { ASSERT(m_style); return *m_style; }
 
     /* The following methods are inlined in LayoutObjectInlines.h */
-    const ComputedStyle* firstLineStyle() const;
-    const ComputedStyle& firstLineStyleRef() const;
-    const ComputedStyle* style(bool firstLine) const;
-    const ComputedStyle& styleRef(bool firstLine) const;
+    inline const ComputedStyle* firstLineStyle() const;
+    inline const ComputedStyle& firstLineStyleRef() const;
+    inline const ComputedStyle* style(bool firstLine) const;
+    inline const ComputedStyle& styleRef(bool firstLine) const;
 
     static inline Color resolveColor(const ComputedStyle& styleToUse, int colorProperty)
     {
         return styleToUse.visitedDependentColor(colorProperty);
     }
 
     inline Color resolveColor(int colorProperty) const
     {
         return style()->visitedDependentColor(colorProperty);
     }
@@ skipping 1076 matching lines @@
 void showTree(const blink::LayoutObject*);
 void showLineTree(const blink::LayoutObject*);
 void showLayoutTree(const blink::LayoutObject* object1);
 // We don't make object2 an optional parameter so that showLayoutTree
 // can be called from gdb easily.
 void showLayoutTree(const blink::LayoutObject* object1, const blink::LayoutObject* object2);
 
 #endif
 
 #endif // LayoutObject_h