Expose UseCounter::Feature enum out of blink as WebFeature

third_party/WebKit/Source/web/WebSharedWorkerReportingProxyImpl.h

Index: third_party/WebKit/Source/web/WebSharedWorkerReportingProxyImpl.h
diff --git a/third_party/WebKit/Source/web/WebSharedWorkerReportingProxyImpl.h b/third_party/WebKit/Source/web/WebSharedWorkerReportingProxyImpl.h
index c5cbb1690740f542ef5660fdc2424420f886be3d..dfb38f0079ea1429cd5b7af216d5eb40d11cf063 100644
--- a/third_party/WebKit/Source/web/WebSharedWorkerReportingProxyImpl.h
+++ b/third_party/WebKit/Source/web/WebSharedWorkerReportingProxyImpl.h
@@ -27,8 +27,15 @@ class WebSharedWorkerReportingProxyImpl final
   ~WebSharedWorkerReportingProxyImpl() override;
 
   // WorkerReportingProxy methods:
+  // TODO(lunalu): Deprecate UseCounter::Feature by WebFeature.
   void CountFeature(UseCounter::Feature) override;
+  void CountFeature(WebFeature feature) override {
+    return CountFeature(static_cast<UseCounter::Feature>(feature));
+  }
   void CountDeprecation(UseCounter::Feature) override;
+  void CountDeprecation(WebFeature feature) override {
+    return CountDeprecation(static_cast<UseCounter::Feature>(feature));
+  }
   void ReportException(const WTF::String&,
                        std::unique_ptr<SourceLocation>,
                        int exception_id) override;