Implement MediaKeySession close() and remove()

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 10 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "public/platform/WebContentDecryptionModuleSession.h"
 #include "public/platform/WebString.h"
 
 namespace blink {
 
-static void ReportError(WebContentDecryptionModuleResult result)
-{
-    result.completeWithError(WebContentDecryptionModuleExceptionUnknownError, 0, "Not implemented.");
-}
-
 WebContentDecryptionModuleSession::~WebContentDecryptionModuleSession()
 {
 }
 
 WebContentDecryptionModuleSession::Client::~Client()
 {
 }
 
-// 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::update(const unsigned char* response, size_t responseLength, WebContentDecryptionModuleResult result)
-{
-    ReportError(result);
-}
-
-void WebContentDecryptionModuleSession::release(WebContentDecryptionModuleResult result)
-{
-    ReportError(result);
-}
-
 } // namespace blink