Changed type of border-width longhands from unsigned to float.

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

Index: third_party/WebKit/Source/core/style/ComputedStyle.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.h b/third_party/WebKit/Source/core/style/ComputedStyle.h
index e44f182d5d4ebe55bb09ec6a67bed842cc87a865..6066ff9ed09ca98ce20e01b214b1a12c98ab1811 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -521,22 +521,23 @@ public:
     const LengthSize& borderBottomRightRadius() const { return surround->border.bottomRight(); }
     bool hasBorderRadius() const { return surround->border.hasBorderRadius(); }
 
-    int borderLeftWidth() const { return surround->border.borderLeftWidth(); }
+    float borderLeftWidth() const { return surround->border.borderLeftWidth(); }
     EBorderStyle borderLeftStyle() const { return surround->border.left().style(); }
-    int borderRightWidth() const { return surround->border.borderRightWidth(); }
+    float borderRightWidth() const { return surround->border.borderRightWidth(); }
     EBorderStyle borderRightStyle() const { return surround->border.right().style(); }
-    int borderTopWidth() const { return surround->border.borderTopWidth(); }
+    float borderTopWidth() const { return surround->border.borderTopWidth(); }
     EBorderStyle borderTopStyle() const { return surround->border.top().style(); }
-    int borderBottomWidth() const { return surround->border.borderBottomWidth(); }
+    float borderBottomWidth() const { return surround->border.borderBottomWidth(); }
     EBorderStyle borderBottomStyle() const { return surround->border.bottom().style(); }
 
-    int borderBeforeWidth() const;
-    int borderAfterWidth() const;
-    int borderStartWidth() const;
-    int borderEndWidth() const;
-    int borderOverWidth() const;
-    int borderUnderWidth() const;
+    float borderBeforeWidth() const;
+    float borderAfterWidth() const;
+    float borderStartWidth() const;
+    float borderEndWidth() const;
+    float borderOverWidth() const;
+    float borderUnderWidth() const;
 
+    // TODO(bugsnash): change return type to float when outline offset is changed to float
     int outlineWidth() const
     {
         if (m_background->outline().style() == BNONE)
@@ -1100,16 +1101,32 @@ public:
     FloatRoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect,
         const LayoutRectOutsets insets, bool includeLogicalLeftEdge, bool includeLogicalRightEdge) const;
 
-    void setBorderLeftWidth(unsigned v) { SET_VAR(surround, border.m_left.m_width, v); }
+    void setBorderLeftWidth(float v)
+    {
+        ASSERT(v >= 0);
+        SET_VAR(surround, border.m_left.m_width, v);
+    }
     void setBorderLeftStyle(EBorderStyle v) { SET_VAR(surround, border.m_left.m_style, v); }
     void setBorderLeftColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_left, v); }
-    void setBorderRightWidth(unsigned v) { SET_VAR(surround, border.m_right.m_width, v); }
+    void setBorderRightWidth(float v)
+    {
+        ASSERT(v >= 0);
+        SET_VAR(surround, border.m_right.m_width, v);
+    }
     void setBorderRightStyle(EBorderStyle v) { SET_VAR(surround, border.m_right.m_style, v); }
     void setBorderRightColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_right, v); }
-    void setBorderTopWidth(unsigned v) { SET_VAR(surround, border.m_top.m_width, v); }
+    void setBorderTopWidth(float v)
+    {
+        ASSERT(v >= 0);
+        SET_VAR(surround, border.m_top.m_width, v);
+    }
     void setBorderTopStyle(EBorderStyle v) { SET_VAR(surround, border.m_top.m_style, v); }
     void setBorderTopColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_top, v); }
-    void setBorderBottomWidth(unsigned v) { SET_VAR(surround, border.m_bottom.m_width, v); }
+    void setBorderBottomWidth(float v)
+    {
+        ASSERT(v >= 0);
+        SET_VAR(surround, border.m_bottom.m_width, v);
+    }
     void setBorderBottomStyle(EBorderStyle v) { SET_VAR(surround, border.m_bottom.m_style, v); }
     void setBorderBottomColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_bottom, v); }
 
@@ -1662,7 +1679,7 @@ public:
     static ECursor initialCursor() { return CURSOR_AUTO; }
     static Color initialColor() { return Color::black; }
     static StyleImage* initialListStyleImage() { return 0; }
-    static unsigned initialBorderWidth() { return 3; }
+    static float initialBorderWidth() { return 3.0f; }
     static unsigned short initialColumnRuleWidth() { return 3; }
     static unsigned short initialOutlineWidth() { return 3; }
     static float initialLetterWordSpacing() { return 0.0f; }