[WIP] Move DocumentMarker accessors into subclasses

third_party/WebKit/Source/core/editing/markers/DocumentMarker.cpp

Index: third_party/WebKit/Source/core/editing/markers/DocumentMarker.cpp
diff --git a/third_party/WebKit/Source/core/editing/markers/DocumentMarker.cpp b/third_party/WebKit/Source/core/editing/markers/DocumentMarker.cpp
index 67817d6df4e99cce35c9d6cbf2e74c06468656db..811f5cce91b510ab8dd3525ae9212824bdd3d825 100644
--- a/third_party/WebKit/Source/core/editing/markers/DocumentMarker.cpp
+++ b/third_party/WebKit/Source/core/editing/markers/DocumentMarker.cpp
@@ -93,24 +93,4 @@ void DocumentMarker::shiftOffsets(int delta) {
   m_endOffset += delta;
 }
 
-const String& DocumentMarker::description() const {
-  return emptyString;
-}
-
-bool DocumentMarker::activeMatch() const {
-  return false;
-}
-
-Color DocumentMarker::underlineColor() const {
-  return Color::transparent;
-}
-
-bool DocumentMarker::thick() const {
-  return false;
-}
-
-Color DocumentMarker::backgroundColor() const {
-  return Color::transparent;
-}
-
 }  // namespace blink