Change initDataType and sessionType to be enums

Source/web/WebMediaPlayerClientImpl.cpp

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "web/WebMediaPlayerClientImpl.h"
 
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/TimeRanges.h"
@@ skipping 105 matching lines @@
 void WebMediaPlayerClientImpl::keyError(const WebString& keySystem, const WebString& sessionId, MediaKeyErrorCode errorCode, unsigned short systemCode)
 {
     HTMLMediaElementEncryptedMedia::keyError(mediaElement(), keySystem, sessionId, errorCode, systemCode);
 }
 
 void WebMediaPlayerClientImpl::keyMessage(const WebString& keySystem, const WebString& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL)
 {
     HTMLMediaElementEncryptedMedia::keyMessage(mediaElement(), keySystem, sessionId, message, messageLength, defaultURL);
 }
 
+void WebMediaPlayerClientImpl::encrypted(WebEncryptedMediaInitDataType initDataType, const unsigned char* initData, unsigned initDataLength)
+{
+    HTMLMediaElementEncryptedMedia::encrypted(mediaElement(), initDataType, initData, initDataLength);
+}
+
+// FIXME: Remove this once Chromium updated to use enum type.
 void WebMediaPlayerClientImpl::encrypted(const WebString& initDataType, const unsigned char* initData, unsigned initDataLength)
 {
-    HTMLMediaElementEncryptedMedia::encrypted(mediaElement(), initDataType, initData, initDataLength);
+    WebEncryptedMediaInitDataType newInitDataType;
+    if (initDataType == "cenc") {
+        newInitDataType = WebEncryptedMediaInitDataType::Cenc;
+    } else if (initDataType == "webm") {
+        newInitDataType = WebEncryptedMediaInitDataType::Webm;
+    } else if (initDataType == "keyids") {
+        newInitDataType = WebEncryptedMediaInitDataType::Keyids;
+    } else {
+        newInitDataType = WebEncryptedMediaInitDataType::Unknown;
+    }
+    HTMLMediaElementEncryptedMedia::encrypted(mediaElement(), newInitDataType, initData, initDataLength);
 }
 
 void WebMediaPlayerClientImpl::didBlockPlaybackWaitingForKey()
 {
     HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey(mediaElement());
 }
 
 void WebMediaPlayerClientImpl::didResumePlaybackBlockedForKey()
 {
     HTMLMediaElementEncryptedMedia::didResumePlaybackBlockedForKey(mediaElement());
@@ skipping 180 matching lines @@
 }
 
 DEFINE_TRACE(WebMediaPlayerClientImpl::AudioClientImpl)
 {
     visitor->trace(m_client);
 }
 
 #endif
 
 } // namespace blink