Add deprecation warnings for permission API usage from iframes

third_party/WebKit/Source/modules/mediastream/UserMediaRequest.cpp

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 384 matching lines @@
 }
 
 bool UserMediaRequest::IsSecureContextUse(String& error_message) {
   Document* document = OwnerDocument();
 
   if (document->IsSecureContext(error_message)) {
     UseCounter::Count(document->GetFrame(),
                       WebFeature::kGetUserMediaSecureOrigin);
     UseCounter::CountCrossOriginIframe(
         *document, WebFeature::kGetUserMediaSecureOriginIframe);
+    Deprecation::CountDeprecationCrossOriginIframe(
+        *document, WebFeature::kGetUserMediaDisabledIframe);
     HostsUsingFeatures::CountAnyWorld(
         *document, HostsUsingFeatures::Feature::kGetUserMediaSecureHost);
     return true;
   }
 
   // While getUserMedia is blocked on insecure origins, we still want to
   // count attempts to use it.
   Deprecation::CountDeprecation(document->GetFrame(),
                                 WebFeature::kGetUserMediaInsecureOrigin);
   Deprecation::CountDeprecationCrossOriginIframe(
@@ skipping 75 matching lines @@
 }
 
 DEFINE_TRACE(UserMediaRequest) {
   visitor->Trace(controller_);
   visitor->Trace(success_callback_);
   visitor->Trace(error_callback_);
   ContextLifecycleObserver::Trace(visitor);
 }
 
 }  // namespace blink