Implement unprefixed EME APIs that match the latest draft

Source/platform/exported/WebContentDecryptionModuleSession.cpp

 /*
  * Copyright (C) 2013, 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 30 matching lines @@
 {
 }
 
 // FIXME: Remove the default implementations of these methods once the new
 // methods are implemented in Chromium.
 void WebContentDecryptionModuleSession::initializeNewSession(const WebString& initDataType, const unsigned char* initData, size_t initDataLength, const WebString& sessionType, WebContentDecryptionModuleResult result)
 {
     ReportError(result);
 }
 
+void WebContentDecryptionModuleSession::load(const WebString& sessionId, WebContentDecryptionModuleResult result)
+{
+    ReportError(result);
+}
+
 void WebContentDecryptionModuleSession::update(const unsigned char* response, size_t responseLength, WebContentDecryptionModuleResult result)
 {
     ReportError(result);
 }
 
+void WebContentDecryptionModuleSession::close(WebContentDecryptionModuleResult result)
+{
+    ReportError(result);
+}
+
+void WebContentDecryptionModuleSession::remove(WebContentDecryptionModuleResult result)
+{
+    ReportError(result);
+}
+
 void WebContentDecryptionModuleSession::release(WebContentDecryptionModuleResult result)
 {
     ReportError(result);
 }
 
 } // namespace blink