Expose UseCounter::Feature enum out of blink as WebFeature

third_party/WebKit/Source/core/frame/Deprecation.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef Deprecation_h
 #define Deprecation_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/CoreExport.h"
 #include "core/frame/UseCounter.h"
@@ skipping 21 matching lines @@
 
   // "countDeprecation" sets the bit for this feature to 1, and sends a
   // deprecation warning to the console. Repeated calls are ignored.
   //
   // Be considerate to developers' consoles: features should only send
   // deprecation warnings when we're actively interested in removing them from
   // the platform.
   //
   // For shared workers and service workers, the ExecutionContext* overload
   // doesn't count the usage but only sends a console warning.
+  // TODO(lunalu): Deprecate UseCounter::Feature by WebFeature
   static void CountDeprecation(const LocalFrame*, UseCounter::Feature);
   static void CountDeprecation(ExecutionContext*, UseCounter::Feature);
   static void CountDeprecation(const Document&, UseCounter::Feature);
+  static void CountDeprecation(const LocalFrame* frame, WebFeature feature) {
+    return CountDeprecation(frame, static_cast<UseCounter::Feature>(feature));
+  }
+  static void CountDeprecation(ExecutionContext* exec_context,
+                               WebFeature feature) {
+    return CountDeprecation(exec_context,
+                            static_cast<UseCounter::Feature>(feature));

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

ditto about preferring casting from the legacy type to the new type instead of
going the other direction.

+  }
+  static void CountDeprecation(const Document& document, WebFeature feature) {
+    return CountDeprecation(document,
+                            static_cast<UseCounter::Feature>(feature));
+  }
 
   // Count only features if they're being used in an iframe which does not
   // have script access into the top level document.
   static void CountDeprecationCrossOriginIframe(const LocalFrame*,
                                                 UseCounter::Feature);
   static void CountDeprecationCrossOriginIframe(const Document&,
                                                 UseCounter::Feature);
   static String DeprecationMessage(UseCounter::Feature);
+  static void CountDeprecationCrossOriginIframe(const LocalFrame* frame,
+                                                WebFeature feature) {
+    return CountDeprecationCrossOriginIframe(
+        frame, static_cast<UseCounter::Feature>(feature));
+  }
+  static void CountDeprecationCrossOriginIframe(const Document& document,
+                                                WebFeature feature) {
+    return CountDeprecationCrossOriginIframe(
+        document, static_cast<UseCounter::Feature>(feature));
+  }
+  static String DeprecationMessage(WebFeature feature) {
+    return DeprecationMessage(static_cast<UseCounter::Feature>(feature));
+  }
 
   // Note: this is only public for tests.
   bool IsSuppressed(CSSPropertyID unresolved_property);
 
  protected:
   void Suppress(CSSPropertyID unresolved_property);
   // CSSPropertyIDs that aren't deprecated return an empty string.
   static String DeprecationMessage(CSSPropertyID unresolved_property);
 
   BitVector css_property_deprecation_bits_;
   unsigned mute_count_;
 };
 
 }  // namespace blink
 
 #endif  // Deprecation_h