Merge from Chromium at DEPS revision r219274

This commit was generated by merge_to_master.py.

Change-Id: I4217737c165f68da34d720aa074431613911dc68
diff --git a/Source/core/svg/SVGAnimationElement.h b/Source/core/svg/SVGAnimationElement.h
index 9108719..a2d9ac4 100644
--- a/Source/core/svg/SVGAnimationElement.h
+++ b/Source/core/svg/SVGAnimationElement.h
@@ -237,6 +237,9 @@
 
     AttributeType m_attributeType;
     Vector<String> m_values;
+    // FIXME: We should probably use doubles for this, but there's no point
+    // making such a change unless all SVG logic for sampling animations is
+    // changed to use doubles.
     Vector<float> m_keyTimes;
     Vector<float> m_keyPoints;
     Vector<UnitBezier> m_keySplines;