Add back captureEvents and releaseEvents

Source/core/page/UseCounter.cpp

Index: Source/core/page/UseCounter.cpp
diff --git a/Source/core/page/UseCounter.cpp b/Source/core/page/UseCounter.cpp
index 0d3eeb4bc9d1f58422b3bf26ad12b879f3848393..6a32186a57f7d528862af8ad345725cbbf523404 100644
--- a/Source/core/page/UseCounter.cpp
+++ b/Source/core/page/UseCounter.cpp
@@ -644,6 +644,12 @@ String UseCounter::deprecationMessage(Feature feature)
     case CaptureAttributeAsEnum:
         return "Using the 'capture' attribute as an enum is deprecated. Please use it as a boolean and specify the media types that should be accepted in the 'accept' attribute.";
 
+    case CaptureEvents:
+        return "captureEvents() is deprecated. This method doesn't do anything.";
+
+    case ReleaseEvents:
+        return "releaseEvents() is deprecated. This method doesn't do anything.";
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();