Store resolved color in AppliedTextDecoration

Source/core/layout/LayoutObject.h

Index: Source/core/layout/LayoutObject.h
diff --git a/Source/core/layout/LayoutObject.h b/Source/core/layout/LayoutObject.h
index e6029b3265135bba2d5c9e39a73e6364e12cb132..f87a9d4364e94e24d678aa64395ece651424f6cc 100644
--- a/Source/core/layout/LayoutObject.h
+++ b/Source/core/layout/LayoutObject.h
@@ -41,6 +41,7 @@
 #include "core/layout/SubtreeLayoutScope.h"
 #include "core/layout/compositing/CompositingState.h"
 #include "core/layout/compositing/CompositingTriggers.h"
+#include "core/layout/style/AppliedTextDecoration.h"
 #include "core/layout/style/LayoutStyle.h"
 #include "core/layout/style/StyleInheritedData.h"
 #include "platform/geometry/FloatQuad.h"
@@ -834,12 +835,6 @@ public:
 
     virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const;
 
-    struct AppliedTextDecoration {
-        Color color;
-        TextDecorationStyle style;
-        AppliedTextDecoration() : color(Color::transparent), style(TextDecorationStyleSolid) { }
-    };
-
     void getTextDecorations(unsigned decorations, AppliedTextDecoration& underline, AppliedTextDecoration& overline, AppliedTextDecoration& linethrough, bool quirksMode = false, bool firstlineStyle = false);
 
     // Return the LayoutBoxModelObject in the container chain which is responsible for painting this object, or 0