Replace call sites to BorderValue functions to save the BorderValue construction cost

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 45 matching lines @@
                        EBorderPrecedence precedence)
       : color_(color),
         width_(ComputedStyle::BorderStyleIsVisible(border.Style())
                    ? border.Width()
                    : 0),
         style_(static_cast<unsigned>(border.Style())),
         precedence_(precedence) {
     DCHECK(precedence != kBorderPrecedenceOff);
   }
 
+  CollapsedBorderValue(EBorderStyle style,
+                       const float width,
+                       const Color& color,
+                       EBorderPrecedence precedence)
+      : color_(color),
+        width_(ComputedStyle::BorderStyleIsVisible(style) ? width : 0),
+        style_(static_cast<unsigned>(style)),
+        precedence_(precedence) {
+    DCHECK(precedence != kBorderPrecedenceOff);
+  }
+
   unsigned Width() const { return width_; }
   EBorderStyle Style() const { return static_cast<EBorderStyle>(style_); }
   bool Exists() const { return precedence_ != kBorderPrecedenceOff; }
   Color GetColor() const { return color_; }
   bool IsTransparent() const { return !color_.Alpha(); }
   EBorderPrecedence Precedence() const {
     return static_cast<EBorderPrecedence>(precedence_);
   }
 
   bool IsSameIgnoringColor(const CollapsedBorderValue& o) const {
@@ skipping 18 matching lines @@
  private:
   Color color_;
   unsigned width_ : 25;
   unsigned style_ : 4;       // EBorderStyle
   unsigned precedence_ : 3;  // EBorderPrecedence
 };
 
 }  // namespace blink
 
 #endif  // CollapsedBorderValue_h