[css-ui] Add support for caret-color property

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.
@@ skipping 1113 matching lines @@
                     other.m_rareInheritedData->visitedLinkTextFillColor() ||
                 m_rareInheritedData->visitedLinkTextStrokeColor() !=
                     other.m_rareInheritedData->visitedLinkTextStrokeColor() ||
                 m_rareInheritedData->visitedLinkTextEmphasisColor() !=
                     other.m_rareInheritedData->visitedLinkTextEmphasisColor() ||
                 m_rareInheritedData->textEmphasisFill !=
                     other.m_rareInheritedData->textEmphasisFill ||
                 m_rareInheritedData->m_textDecorationSkip !=
                     other.m_rareInheritedData->m_textDecorationSkip ||
                 m_rareInheritedData->appliedTextDecorations !=
-                    other.m_rareInheritedData->appliedTextDecorations)) {
+                    other.m_rareInheritedData->appliedTextDecorations ||
+                m_rareInheritedData->caretColor() !=
+                    other.m_rareInheritedData->caretColor() ||
+                m_rareInheritedData->visitedLinkCaretColor() !=
+                    other.m_rareInheritedData->visitedLinkCaretColor())) {
       diff.setTextDecorationOrColorChanged();
     }
   }
 }
 
 void ComputedStyle::addPaintImage(StyleImage* image) {
   if (!m_rareNonInheritedData.access()->m_paintImages) {
     m_rareNonInheritedData.access()->m_paintImages =
         makeUnique<Vector<Persistent<StyleImage>>>();
   }
@@ skipping 923 matching lines @@
       break;
     case CSSPropertyBorderTopColor:
       result = visitedLink ? visitedLinkBorderTopColor() : borderTopColor();
       borderStyle = borderTopStyle();
       break;
     case CSSPropertyBorderBottomColor:
       result =
           visitedLink ? visitedLinkBorderBottomColor() : borderBottomColor();
       borderStyle = borderBottomStyle();
       break;
+    case CSSPropertyCaretColor: {
+      StyleAutoColor autoColor =
+          visitedLink ? visitedLinkCaretColor() : caretColor();
+      // TODO(rego): We may want to adjust the caret color if it's the same than
+      // the background to ensure good visibility and contrast.
+      result = autoColor.isAutoColor() ? StyleColor::currentColor() : autoColor;
+      break;
+    }
     case CSSPropertyColor:
       result = visitedLink ? visitedLinkColor() : color();
       break;
     case CSSPropertyOutlineColor:
       result = visitedLink ? visitedLinkOutlineColor() : outlineColor();
       break;
     case CSSPropertyColumnRuleColor:
       result = visitedLink ? visitedLinkColumnRuleColor() : columnRuleColor();
       break;
     case CSSPropertyWebkitTextEmphasisColor:
@@ skipping 358 matching lines @@
     if (value < 0)
       fvalue -= 0.5f;
     else
       fvalue += 0.5f;
   }
 
   return roundForImpreciseConversion<int>(fvalue / zoomFactor);
 }
 
 }  // namespace blink