Remove redundant casts, use NGLayoutInputNode base functions everywhere

third_party/WebKit/Source/core/layout/ng/ng_inline_node.h

 // Copyright 2016 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 NGInlineNode_h
 #define NGInlineNode_h
 
 #include "core/CoreExport.h"
 #include "core/layout/LayoutBlockFlow.h"
 #include "core/layout/ng/ng_layout_input_node.h"
@@ skipping 189 matching lines @@
 }
 
 inline void NGInlineNode::AssertEndOffset(unsigned index,
                                           unsigned offset) const {
   items_[index].AssertEndOffset(offset);
 }
 
 DEFINE_TYPE_CASTS(NGInlineNode,
                   NGLayoutInputNode,
                   node,
-                  node->Type() == NGLayoutInputNode::kLegacyInline,
-                  node.Type() == NGLayoutInputNode::kLegacyInline);
+                  node->IsInline(),
+                  node.IsInline());
 
 // A vector-like object that points to a subset of an array of
 // |NGLayoutInlineItem|.
 // The source vector must keep alive and must not resize while this object
 // is alive.
 class NGLayoutInlineItemRange {
   STACK_ALLOCATED();
 
  public:
   NGLayoutInlineItemRange(Vector<NGLayoutInlineItem>*,
@@ skipping 22 matching lines @@
 
  private:
   NGLayoutInlineItem* start_item_;
   unsigned size_;
   unsigned start_index_;
 };
 
 }  // namespace blink
 
 #endif  // NGInlineNode_h