[SkSVGDevice] Initial text support

R=reed@google.com,mtklein@google.com

Review URL: https://codereview.chromium.org/899683002
diff --git a/src/animator/SkXMLAnimatorWriter.cpp b/src/animator/SkXMLAnimatorWriter.cpp
index 58f20f1..9b552c0 100644
--- a/src/animator/SkXMLAnimatorWriter.cpp
+++ b/src/animator/SkXMLAnimatorWriter.cpp
@@ -26,6 +26,11 @@
     fParser->onAddAttributeLen(name, value, length);
 }
 
+void SkXMLAnimatorWriter::onAddText(const char text[])
+{
+    SkDebugf("not implemented: SkXMLAnimatorWriter::onAddText()\n");
+}
+
 void SkXMLAnimatorWriter::onEndElement()
 {
     Elem* elem = getEnd();