Expose UseCounter::Feature enum out of blink as WebFeature

third_party/WebKit/Source/core/loader/WorkerFetchContext.h

Index: third_party/WebKit/Source/core/loader/WorkerFetchContext.h
diff --git a/third_party/WebKit/Source/core/loader/WorkerFetchContext.h b/third_party/WebKit/Source/core/loader/WorkerFetchContext.h
index fd41a56e987fc90a216dd94db419b3e7a5e06726..b437fc89425c05a2d2c1b51ddeb9d569b1352276 100644
--- a/third_party/WebKit/Source/core/loader/WorkerFetchContext.h
+++ b/third_party/WebKit/Source/core/loader/WorkerFetchContext.h
@@ -47,8 +47,16 @@ class WorkerFetchContext final : public BaseFetchContext {
   void ReportLocalLoadFailed(const KURL&) const override;
   bool ShouldBypassMainWorldCSP() const override;
   bool IsSVGImageChromeClient() const override;
+  // TODO(lunalu): Deprecate UseCounter::Feature by WebFeature in
+  // CountDeprecation() and CountUsage().
   void CountUsage(UseCounter::Feature) const override;
+  void CountUsage(WebFeature feature) const override {
+    return CountUsage(static_cast<UseCounter::Feature>(feature));
+  }
   void CountDeprecation(UseCounter::Feature) const override;
+  void CountDeprecation(WebFeature feature) const override {
+    return CountDeprecation(static_cast<UseCounter::Feature>(feature));
+  }
   bool ShouldBlockFetchByMixedContentCheck(
       const ResourceRequest&,
       const KURL&,