Remove the SVGColor and SVGPaint DOM interfaces (were deprecated).

Source/platform/graphics/Color.h

Index: Source/platform/graphics/Color.h
diff --git a/Source/platform/graphics/Color.h b/Source/platform/graphics/Color.h
index 9664906a8f7840954ce28a951d56656c4d053db0..09e8c256ee8971b0d7b487dabfab817b0d20ce67 100644
--- a/Source/platform/graphics/Color.h
+++ b/Source/platform/graphics/Color.h
@@ -88,6 +88,10 @@ public:
     // - http://www.whatwg.org/specs/web-apps/current-work/#serialization-of-a-color
     String serialized() const;
 
+    // Returns the color serialized according to CSSOM
+    // - http://dev.w3.org/csswg/cssom/#serialize-a-css-component-value
+    String serializedAsCSSComponentValue() const;
+
     // Returns the color serialized as either #RRGGBB or #RRGGBBAA
     // The latter format is not a valid CSS color, and should only be seen in DRT dumps.
     String nameForRenderTreeAsText() const;