Support subpixel values for text-shadow and box-shadow

Source/core/rendering/style/ShadowData.h

Index: Source/core/rendering/style/ShadowData.h
diff --git a/Source/core/rendering/style/ShadowData.h b/Source/core/rendering/style/ShadowData.h
index 30a981f91ff73a42c4f935f155b0191bec90507c..a08a78df94b08c5757467c9a9800cc4a6e40a48a 100644
--- a/Source/core/rendering/style/ShadowData.h
+++ b/Source/core/rendering/style/ShadowData.h
@@ -40,7 +40,7 @@ class ShadowData {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     static PassOwnPtr<ShadowData> create() { return adoptPtr(new ShadowData); }
-    static PassOwnPtr<ShadowData> create(const IntPoint& location, int blur, int spread, ShadowStyle style, const StyleColor& color)
+    static PassOwnPtr<ShadowData> create(const LayoutPoint& location, LayoutUnit blur, LayoutUnit spread, ShadowStyle style, const StyleColor& color)
     {
         return adoptPtr(new ShadowData(location, blur, spread, style, color));
     }
@@ -53,19 +53,19 @@ public:
     bool operator==(const ShadowData&) const;
     bool operator!=(const ShadowData& o) const { return !(*this == o); }
 
-    int x() const { return m_location.x(); }
-    int y() const { return m_location.y(); }
-    IntPoint location() const { return m_location; }
-    int blur() const { return m_blur; }
-    int spread() const { return m_spread; }
+    LayoutUnit x() const { return m_location.x(); }
+    LayoutUnit y() const { return m_location.y(); }
+    LayoutPoint location() const { return m_location; }
+    LayoutUnit blur() const { return m_blur; }
+    LayoutUnit spread() const { return m_spread; }
     ShadowStyle style() const { return m_style; }
     const StyleColor& color() const { return m_color; }
 
     const ShadowData* next() const { return m_next.get(); }
     void setNext(PassOwnPtr<ShadowData> shadow) { m_next = shadow; }
 
-    void adjustRectForShadow(LayoutRect&, int additionalOutlineSize = 0) const;
-    void adjustRectForShadow(FloatRect&, int additionalOutlineSize = 0) const;
+    void adjustRectForShadow(LayoutRect&, LayoutUnit additionalOutlineSize = 0) const;
+    void adjustRectForShadow(FloatRect&, LayoutUnit additionalOutlineSize = 0) const;
 
 private:
     ShadowData()
@@ -75,7 +75,7 @@ private:
     {
     }
 
-    ShadowData(const IntPoint& location, int blur, int spread, ShadowStyle style, const StyleColor& color)
+    ShadowData(const LayoutPoint& location, LayoutUnit blur, LayoutUnit spread, ShadowStyle style, const StyleColor& color)
         : m_location(location)
         , m_blur(blur)
         , m_spread(spread)
@@ -86,9 +86,9 @@ private:
 
     ShadowData(const ShadowData&);
 
-    IntPoint m_location;
-    int m_blur;
-    int m_spread;
+    LayoutPoint m_location;
+    LayoutUnit m_blur;
+    LayoutUnit m_spread;
     StyleColor m_color;
     ShadowStyle m_style;
     OwnPtr<ShadowData> m_next;