Expose UseCounter::Feature enum out of blink as WebFeature

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

Index: third_party/WebKit/Source/core/loader/BaseFetchContext.h
diff --git a/third_party/WebKit/Source/core/loader/BaseFetchContext.h b/third_party/WebKit/Source/core/loader/BaseFetchContext.h
index 925765f80464565c2fe7feb9d57f10274d82f43c..6d95a866101313a98e4f5dda67782760ce99828f 100644
--- a/third_party/WebKit/Source/core/loader/BaseFetchContext.h
+++ b/third_party/WebKit/Source/core/loader/BaseFetchContext.h
@@ -72,8 +72,12 @@ class CORE_EXPORT BaseFetchContext : public FetchContext {
   virtual void ReportLocalLoadFailed(const KURL&) const = 0;
   virtual bool ShouldBypassMainWorldCSP() const = 0;
   virtual bool IsSVGImageChromeClient() const = 0;
+  // TODO(lunalu): Deprecate UseCounter::Feature by WebFeature in

[Rick Byers, 2017/05/23 19:51:49]

From a quick scan I think all the worker-related support could also be switched
over to WebFeature without having to update a ton of callsites.  The duplicate
call-site thing is really only helpful in the cases where there are hundreds of
callers.

[lunalu1, 2017/05/24 20:56:33]

Reverted.

+  // CountDeprecation() and CountUsage().
   virtual void CountUsage(UseCounter::Feature) const = 0;
+  virtual void CountUsage(WebFeature) const = 0;
   virtual void CountDeprecation(UseCounter::Feature) const = 0;
+  virtual void CountDeprecation(WebFeature) const = 0;
   virtual bool ShouldBlockFetchByMixedContentCheck(
       const ResourceRequest&,
       const KURL&,