Add counters for nonstandard uses of RTCPeerConnection

third_party/WebKit/public/platform/WebMediaConstraints.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 55 matching lines @@
     {
         assign(other);
         return *this;
     }
 
     BLINK_PLATFORM_EXPORT void assign(const WebMediaConstraints&);
 
     BLINK_PLATFORM_EXPORT void reset();
     bool isNull() const { return m_private.isNull(); }
 
+    BLINK_PLATFORM_EXPORT bool isEmpty() const;
     BLINK_PLATFORM_EXPORT void getOptionalConstraints(WebVector<WebMediaConstraint>&) const;
     BLINK_PLATFORM_EXPORT void getMandatoryConstraints(WebVector<WebMediaConstraint>&) const;
 
     BLINK_PLATFORM_EXPORT bool getOptionalConstraintValue(const WebString& name, WebString& value) const;
     BLINK_PLATFORM_EXPORT bool getMandatoryConstraintValue(const WebString& name, WebString& value) const;
 
     BLINK_PLATFORM_EXPORT void initialize();
     BLINK_PLATFORM_EXPORT void initialize(const WebVector<WebMediaConstraint>& optional, const WebVector<WebMediaConstraint>& mandatory);
 
 private:
     WebPrivatePtr<WebMediaConstraintsPrivate> m_private;
 };
 
 } // namespace blink
 
 #endif // WebMediaConstraints_h