Expose UseCounter::Feature enum out of blink as WebFeature

third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h

Index: third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
diff --git a/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h b/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
index ed21b16a9ac067aed4eec52b8a1ec64c7a23cec4..77ee970e017e5fa8a9be6ca405a5877caea29e80 100644
--- a/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
+++ b/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
@@ -32,8 +32,15 @@ class CORE_EXPORT ThreadedMessagingProxyBase
   // initially created it. This object could either be a Worker or a Worklet.
   virtual void ParentObjectDestroyed();
 
+  // TODO(lunalu): Deprecate UseCounter::Feature by WebFeature.
   void CountFeature(UseCounter::Feature);
+  void CountFeature(WebFeature feature) {
+    return CountFeature(static_cast<UseCounter::Feature>(feature));
+  }
   void CountDeprecation(UseCounter::Feature);
+  void CountDeprecation(WebFeature feature) {
+    return CountDeprecation(static_cast<UseCounter::Feature>(feature));
+  }
 
   void ReportConsoleMessage(MessageSource,
                             MessageLevel,