Add deprecation warnings for permission API usage from iframes

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"
 #include "platform/wtf/BitVector.h"
 #include "platform/wtf/Noncopyable.h"
 
 namespace blink {
 
 class LocalFrame;
+enum class WebFeaturePolicyFeature;
 
 class CORE_EXPORT Deprecation {
   DISALLOW_NEW();
   WTF_MAKE_NONCOPYABLE(Deprecation);
 
  public:
   Deprecation();
   ~Deprecation();
 
   static void WarnOnDeprecatedProperties(const LocalFrame*,
@@ skipping 13 matching lines @@
   // For shared workers and service workers, the ExecutionContext* overload
   // doesn't count the usage but only sends a console warning.
   static void CountDeprecation(const LocalFrame*, WebFeature);
   static void CountDeprecation(ExecutionContext*, WebFeature);
   static void CountDeprecation(const Document&, WebFeature);
 
   // 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*, WebFeature);
   static void CountDeprecationCrossOriginIframe(const Document&, WebFeature);
+
+  static void CountDeprecationFeaturePolicy(const Document&,
+                                            WebFeaturePolicyFeature);
   static String DeprecationMessage(WebFeature);
 
   // 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