Revert of Move most of the [Pass]RefPtr's of CSSPrimitiveValue to our transition types.

Source/core/css/Rect.h

Index: Source/core/css/Rect.h
diff --git a/Source/core/css/Rect.h b/Source/core/css/Rect.h
index 38088882f23ce9cf9b7fa67e1803ca3fc70ea1ef..ec5f546b7ad681d51a30807c360f34e6a8c67c99 100644
--- a/Source/core/css/Rect.h
+++ b/Source/core/css/Rect.h
@@ -34,10 +34,10 @@
     CSSPrimitiveValue* bottom() const { return m_bottom.get(); }
     CSSPrimitiveValue* left() const { return m_left.get(); }
 
-    void setTop(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> top) { m_top = top; }
-    void setRight(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> right) { m_right = right; }
-    void setBottom(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> bottom) { m_bottom = bottom; }
-    void setLeft(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> left) { m_left = left; }
+    void setTop(PassRefPtr<CSSPrimitiveValue> top) { m_top = top; }
+    void setRight(PassRefPtr<CSSPrimitiveValue> right) { m_right = right; }
+    void setBottom(PassRefPtr<CSSPrimitiveValue> bottom) { m_bottom = bottom; }
+    void setLeft(PassRefPtr<CSSPrimitiveValue> left) { m_left = left; }
 
     bool equals(const RectBase& other) const
     {