EME: Fail requestMediaKeySystemAccess if no capabilities specified

third_party/WebKit/Source/core/frame/UseCounter.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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1244 matching lines @@
     V8HTMLMediaElement_SrcObject_AttributeSetter = 1603,
     CreateObjectURLBlob = 1604,
     CreateObjectURLMediaSource = 1605,
     CreateObjectURLMediaStream = 1606,
     DocumentCreateTouchWindowNull = 1607,
     DocumentCreateTouchWindowWrongType = 1608,
     DocumentCreateTouchTargetNull = 1609,
     DocumentCreateTouchTargetWrongType = 1610,
     DocumentCreateTouchLessThanSevenArguments = 1611,
     DocumentCreateTouchMoreThanSevenArguments = 1612,
-    EncryptedMediaCapabilityProvided = 1613,
-    EncryptedMediaCapabilityNotProvided = 1614,
     LongTaskObserver = 1615,
     CSSMotionInEffect = 1616,
     CSSOffsetInEffect = 1617,
     // The above items are available in M55 branch
 
     VRGetDisplaysInsecureOrigin = 1618,
     VRRequestPresent = 1619,
     VRRequestPresentInsecureOrigin = 1620,
     VRDeprecatedFieldOfView = 1621,
     VideoInCanvas = 1622,
@@ skipping 251 matching lines @@
     // Tracks what features/properties need to be reported to the legacy
     // histograms.
     BitVector m_featureBits;
     BitVector m_CSSBits;
   } m_legacyCounter;
 };
 
 }  // namespace blink
 
 #endif  // UseCounter_h