[LayoutNG] Handle border and padding when sizing a block and when placing its children.

third_party/WebKit/Source/core/layout/ng/ng_length_utils.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 NGLengthUtils_h
 #define NGLengthUtils_h
 
 #include "core/CoreExport.h"
 
 namespace blink {
@@ skipping 31 matching lines @@
 CORE_EXPORT LayoutUnit computeInlineSizeForFragment(const NGConstraintSpace&,
                                                     const ComputedStyle&);
 
 // Resolves the given length to a layout unit, constraining it by the min
 // logical height and max logical height properties from the ComputedStyle
 // object.
 CORE_EXPORT LayoutUnit computeBlockSizeForFragment(const NGConstraintSpace&,
                                                    const ComputedStyle&,
                                                    LayoutUnit contentSize);
 
+CORE_EXPORT LayoutUnit
+computeBorderAndPaddingBlockStart(const NGConstraintSpace&,
+                                  const ComputedStyle&);
+
+CORE_EXPORT LayoutUnit computeBorderAndPaddingBlockEnd(const NGConstraintSpace&,
+                                                       const ComputedStyle&);
+
+CORE_EXPORT LayoutUnit
+computeBorderAndPaddingInlineStart(const NGConstraintSpace&,
+                                   const ComputedStyle&);
+
+CORE_EXPORT LayoutUnit
+computeBorderAndPaddingInlineEnd(const NGConstraintSpace&,
+                                 const ComputedStyle&);
+
 CORE_EXPORT NGBoxStrut computeMargins(const NGConstraintSpace&,
                                       const ComputedStyle&);
 
 CORE_EXPORT NGBoxStrut computeBorders(const ComputedStyle&);
 
 CORE_EXPORT NGBoxStrut computePadding(const NGConstraintSpace&,
                                       const ComputedStyle&);
 
 }  // namespace blink
 
 #endif  // NGLengthUtils_h