Update MediaKeySession events to match latest EME spec

Source/platform/drm/ContentDecryptionModuleSession.cpp

Index: Source/platform/drm/ContentDecryptionModuleSession.cpp
diff --git a/Source/platform/drm/ContentDecryptionModuleSession.cpp b/Source/platform/drm/ContentDecryptionModuleSession.cpp
index 0882ffb429093f746f83f10079b9b79db0e6ed11..b9631d21680c300ae58a2e5cb13c72b69055519f 100644
--- a/Source/platform/drm/ContentDecryptionModuleSession.cpp
+++ b/Source/platform/drm/ContentDecryptionModuleSession.cpp
@@ -70,11 +70,6 @@ void ContentDecryptionModuleSession::close()
     m_session->close();
 }
 
-void ContentDecryptionModuleSession::keyAdded()
-{
-    m_client->keyAdded();
-}
-
 void ContentDecryptionModuleSession::keyError(MediaKeyErrorCode errorCode, unsigned long systemCode)
 {
     m_client->keyError(static_cast<ContentDecryptionModuleSessionClient::MediaKeyErrorCode>(errorCode), systemCode);
@@ -85,4 +80,14 @@ void ContentDecryptionModuleSession::keyMessage(const unsigned char* message, si
     m_client->keyMessage(message, messageLength, destinationURL);
 }
 
+void ContentDecryptionModuleSession::keyReady()
+{
+    m_client->keyReady();

[xhwang, 2014/01/03 23:38:20]

Regarding my previous comment,

m_client->onReady() seems funny, how about m_client->onSessionReady()?

[jrummell, 2014/01/08 18:05:52]

Removed 'key' from name.

+}
+
+void ContentDecryptionModuleSession::keyClosed()
+{
+    m_client->keyClosed();
+}
+
 } // namespace WebCore