CSS Motion Path: delete implementation of motion-offset property

third_party/WebKit/Source/core/frame/Deprecation.cpp

Index: third_party/WebKit/Source/core/frame/Deprecation.cpp
diff --git a/third_party/WebKit/Source/core/frame/Deprecation.cpp b/third_party/WebKit/Source/core/frame/Deprecation.cpp
index 3fbc1223ee9db8d78e6f6db7e8b196dae7d12190..a2fdb48282e6db259159bf6b3fdbb172f765fa01 100644
--- a/third_party/WebKit/Source/core/frame/Deprecation.cpp
+++ b/third_party/WebKit/Source/core/frame/Deprecation.cpp
@@ -15,7 +15,6 @@
 namespace {
 
 enum Milestone {
-  M58,
   M59,
   M60,
   M61,
@@ -27,8 +26,6 @@ const char* milestoneString(Milestone milestone) {
   // https://www.chromium.org/developers/calendar
 
   switch (milestone) {
-    case M58:
-      return "M58, around April 2017";
     case M59:
       return "M59, around June 2017";
     case M60:
@@ -117,13 +114,10 @@ void Deprecation::WarnOnDeprecatedProperties(
 }
 
 String Deprecation::DeprecationMessage(CSSPropertyID unresolved_property) {
-  switch (unresolved_property) {
-    case CSSPropertyAliasMotionOffset:
-      return replacedWillBeRemoved("motion-offset", "offset-distance", M58,
-                                   "6390764217040896");
-    default:
-      return g_empty_string;
-  }
+  // TODO: Add a switch here when there are properties that we intend to
+  // deprecate.
+  // Returning an empty string for now.
+  return g_empty_string;
 }
 
 void Deprecation::CountDeprecation(const LocalFrame* frame,