Layout support for new circle shape syntax

Source/core/rendering/style/BasicShapes.h

Index: Source/core/rendering/style/BasicShapes.h
diff --git a/Source/core/rendering/style/BasicShapes.h b/Source/core/rendering/style/BasicShapes.h
index 109f8fee9eabf031ac28a01524d597913ebef260..0e8a52c2a205e7824569ad53b21491c767cc798d 100644
--- a/Source/core/rendering/style/BasicShapes.h
+++ b/Source/core/rendering/style/BasicShapes.h
@@ -141,6 +141,12 @@ public:
     Keyword keyword() const { return m_keyword; }
     const Length& length() const { return m_length; }
 
+    bool canBlend(const BasicShapeCenterCoordinate& other) const
+    {
+        // FIXME determine how to interpolate between keywords. See bug 125108.

[Bem Jones-Bey (adobe), 2013/12/19 23:08:48]

You could merge in the interpolation patch to this one, or if not, change to a
Blink bug number.

+        return m_keyword == None && other.keyword() == None;
+    }
+
     BasicShapeCenterCoordinate blend(const BasicShapeCenterCoordinate& other, double progress) const
     {
         if (m_keyword != None || other.keyword() != None)
@@ -170,6 +176,12 @@ public:
     const Length& value() const { return m_value; }
     Type type() const { return m_type; }
 
+    bool canBlend(const BasicShapeRadius& other) const
+    {
+        // FIXME determine how to interpolate between keywords. See bug 125108.

[Bem Jones-Bey (adobe), 2013/12/19 23:08:48]

Ditto.

+        return m_type == Value && other.type() == Value;
+    }
+
     BasicShapeRadius blend(const BasicShapeRadius& other, double progress) const
     {
         if (m_type != Value || other.type() != Value)
@@ -192,6 +204,7 @@ public:
     const BasicShapeCenterCoordinate& centerY() const { return m_centerY; }
     const BasicShapeRadius& radius() const { return m_radius; }
 
+    float floatValueForRadiusInBox(float boxWidth, float boxHeight) const;
     void setCenterX(BasicShapeCenterCoordinate centerX) { m_centerX = centerX; }
     void setCenterY(BasicShapeCenterCoordinate centerY) { m_centerY = centerY; }
     void setRadius(BasicShapeRadius radius) { m_radius = radius; }