Move SaturatedArithmetic from Blink to base

third_party/WebKit/Source/core/style/ComputedStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "core/style/ComputedStyle.h"
 
+#include "base/numerics/saturated_arithmetic.h"
 #include "core/animation/css/CSSAnimationData.h"
 #include "core/animation/css/CSSTransitionData.h"
 #include "core/css/CSSPaintValue.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSPropertyEquality.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/layout/LayoutTheme.h"
 #include "core/layout/TextAutosizer.h"
 #include "core/style/AppliedTextDecoration.h"
 #include "core/style/BorderEdge.h"
@@ skipping 11 matching lines @@
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/fonts/Font.h"
 #include "platform/fonts/FontSelector.h"
 #include "platform/geometry/FloatRoundedRect.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/transforms/RotateTransformOperation.h"
 #include "platform/transforms/ScaleTransformOperation.h"
 #include "platform/transforms/TranslateTransformOperation.h"
 #include "wtf/MathExtras.h"
 #include "wtf/PtrUtil.h"
-#include "wtf/SaturatedArithmetic.h"
 #include "wtf/SizeAssertions.h"
 #include <algorithm>
 #include <memory>
 
 namespace blink {
 
 struct SameSizeAsBorderValue {
   RGBA32 m_color;
   unsigned m_width;
 };
@@ skipping 2168 matching lines @@
   m_rareNonInheritedData.access()->m_transform.access()->m_motion.m_path = path;
 }
 
 int ComputedStyle::outlineOutsetExtent() const {
   if (!hasOutline())
     return 0;
   if (outlineStyleIsAuto()) {
     return GraphicsContext::focusRingOutsetExtent(
         outlineOffset(), std::ceil(getOutlineStrokeWidthForFocusRing()));
   }
-  return std::max(0, saturatedAddition(outlineWidth(), outlineOffset()));
+  return std::max(0, base::SaturatedAddition(outlineWidth(), outlineOffset()));
 }
 
 float ComputedStyle::getOutlineStrokeWidthForFocusRing() const {
 #if OS(MACOSX)
   return outlineWidth();
 #else
   // Draw an outline with thickness in proportion to the zoom level, but never
   // less than 1 pixel so that it remains visible.
   return std::max(effectiveZoom(), 1.f);
 #endif
@@ skipping 159 matching lines @@
     if (value < 0)
       fvalue -= 0.5f;
     else
       fvalue += 0.5f;
   }
 
   return roundForImpreciseConversion<int>(fvalue / zoomFactor);
 }
 
 }  // namespace blink