Eliminate MediaPlayer & MediaPlayerClient abstractions

Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp

Index: Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp
diff --git a/Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp b/Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp
index cfd1fd8a0e40707c19053d5192fb7ccdb2358fc8..218fff913696b12aa3309f6205ca0d49b9b178a1 100644
--- a/Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp
+++ b/Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp
@@ -295,8 +295,9 @@ DEFINE_TRACE(SetMediaKeysHandler)
     ScriptPromiseResolver::trace(visitor);
 }
 
-HTMLMediaElementEncryptedMedia::HTMLMediaElementEncryptedMedia()
-    : m_emeMode(EmeModeNotSelected)
+HTMLMediaElementEncryptedMedia::HTMLMediaElementEncryptedMedia(HTMLMediaElement& element)
+    : m_mediaElement(element)
+    , m_emeMode(EmeModeNotSelected)
     , m_isWaitingForKey(false)
 {
 }
@@ -319,7 +320,7 @@ HTMLMediaElementEncryptedMedia& HTMLMediaElementEncryptedMedia::from(HTMLMediaEl
 {
     HTMLMediaElementEncryptedMedia* supplement = static_cast<HTMLMediaElementEncryptedMedia*>(WillBeHeapSupplement<HTMLMediaElement>::from(element, supplementName()));
     if (!supplement) {
-        supplement = new HTMLMediaElementEncryptedMedia();
+        supplement = new HTMLMediaElementEncryptedMedia(element);
         provideTo(element, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
@@ -334,11 +335,6 @@ bool HTMLMediaElementEncryptedMedia::setEmeMode(EmeMode emeMode)
     return true;
 }
 
-WebContentDecryptionModule* HTMLMediaElementEncryptedMedia::contentDecryptionModule()
-{
-    return m_mediaKeys ? m_mediaKeys->contentDecryptionModule() : 0;
-}
-
 MediaKeys* HTMLMediaElementEncryptedMedia::mediaKeys(HTMLMediaElement& element)
 {
     HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(element);
@@ -501,7 +497,7 @@ void HTMLMediaElementEncryptedMedia::cancelKeyRequest(WebMediaPlayer* webMediaPl
     throwExceptionIfMediaKeyExceptionOccurred(keySystem, sessionId, result, exceptionState);
 }
 
-void HTMLMediaElementEncryptedMedia::keyAdded(HTMLMediaElement& element, const String& keySystem, const String& sessionId)
+void HTMLMediaElementEncryptedMedia::keyAdded(const WebString& keySystem, const WebString& sessionId)
 {
     WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::mediaPlayerKeyAdded");
 
@@ -510,32 +506,32 @@ void HTMLMediaElementEncryptedMedia::keyAdded(HTMLMediaElement& element, const S
     initializer.setSessionId(sessionId);
 
     RefPtrWillBeRawPtr<Event> event = MediaKeyEvent::create(EventTypeNames::webkitkeyadded, initializer);
-    event->setTarget(&element);
-    element.scheduleEvent(event.release());
+    event->setTarget(&m_mediaElement);
+    m_mediaElement.scheduleEvent(event.release());
 }
 
-void HTMLMediaElementEncryptedMedia::keyError(HTMLMediaElement& element, const String& keySystem, const String& sessionId, WebMediaPlayerClient::MediaKeyErrorCode errorCode, unsigned short systemCode)
+void HTMLMediaElementEncryptedMedia::keyError(const WebString& keySystem, const WebString& sessionId, WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCode errorCode, unsigned short systemCode)
 {
     WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::mediaPlayerKeyError: sessionID=%s, errorCode=%d, systemCode=%d", sessionId.utf8().data(), errorCode, systemCode);
 
     MediaKeyError::Code mediaKeyErrorCode = MediaKeyError::MEDIA_KEYERR_UNKNOWN;
     switch (errorCode) {
-    case WebMediaPlayerClient::MediaKeyErrorCodeUnknown:
+    case WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCodeUnknown:
         mediaKeyErrorCode = MediaKeyError::MEDIA_KEYERR_UNKNOWN;
         break;
-    case WebMediaPlayerClient::MediaKeyErrorCodeClient:
+    case WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCodeClient:
         mediaKeyErrorCode = MediaKeyError::MEDIA_KEYERR_CLIENT;
         break;
-    case WebMediaPlayerClient::MediaKeyErrorCodeService:
+    case WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCodeService:
         mediaKeyErrorCode = MediaKeyError::MEDIA_KEYERR_SERVICE;
         break;
-    case WebMediaPlayerClient::MediaKeyErrorCodeOutput:
+    case WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCodeOutput:
         mediaKeyErrorCode = MediaKeyError::MEDIA_KEYERR_OUTPUT;
         break;
-    case WebMediaPlayerClient::MediaKeyErrorCodeHardwareChange:
+    case WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCodeHardwareChange:
         mediaKeyErrorCode = MediaKeyError::MEDIA_KEYERR_HARDWARECHANGE;
         break;
-    case WebMediaPlayerClient::MediaKeyErrorCodeDomain:
+    case WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCodeDomain:
         mediaKeyErrorCode = MediaKeyError::MEDIA_KEYERR_DOMAIN;
         break;
     }
@@ -547,11 +543,11 @@ void HTMLMediaElementEncryptedMedia::keyError(HTMLMediaElement& element, const S
     initializer.setSystemCode(systemCode);
 
     RefPtrWillBeRawPtr<Event> event = MediaKeyEvent::create(EventTypeNames::webkitkeyerror, initializer);
-    event->setTarget(&element);
-    element.scheduleEvent(event.release());
+    event->setTarget(&m_mediaElement);
+    m_mediaElement.scheduleEvent(event.release());
 }
 
-void HTMLMediaElementEncryptedMedia::keyMessage(HTMLMediaElement& element, const String& keySystem, const String& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL)
+void HTMLMediaElementEncryptedMedia::keyMessage(const WebString& keySystem, const WebString& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL)
 {
     WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::mediaPlayerKeyMessage: sessionID=%s", sessionId.utf8().data());
 
@@ -562,18 +558,18 @@ void HTMLMediaElementEncryptedMedia::keyMessage(HTMLMediaElement& element, const
     initializer.setDefaultURL(KURL(defaultURL));
 
     RefPtrWillBeRawPtr<Event> event = MediaKeyEvent::create(EventTypeNames::webkitkeymessage, initializer);
-    event->setTarget(&element);
-    element.scheduleEvent(event.release());
+    event->setTarget(&m_mediaElement);
+    m_mediaElement.scheduleEvent(event.release());
 }
 
-void HTMLMediaElementEncryptedMedia::encrypted(HTMLMediaElement& element, WebEncryptedMediaInitDataType initDataType, const unsigned char* initData, unsigned initDataLength)
+void HTMLMediaElementEncryptedMedia::encrypted(WebEncryptedMediaInitDataType initDataType, const unsigned char* initData, unsigned initDataLength)
 {
     WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::encrypted");
 
     if (RuntimeEnabledFeatures::encryptedMediaEnabled()) {
         // Send event for WD EME.
         RefPtrWillBeRawPtr<Event> event;
-        if (element.isMediaDataCORSSameOrigin(element.executionContext()->securityOrigin())) {
+        if (m_mediaElement.isMediaDataCORSSameOrigin(m_mediaElement.executionContext()->securityOrigin())) {
             event = createEncryptedEvent(initDataType, initData, initDataLength);
         } else {
             // Current page is not allowed to see content from the media file,
@@ -581,19 +577,19 @@ void HTMLMediaElementEncryptedMedia::encrypted(HTMLMediaElement& element, WebEnc
             event = createEncryptedEvent(WebEncryptedMediaInitDataType::Unknown, nullptr, 0);
         }
 
-        event->setTarget(&element);
-        element.scheduleEvent(event.release());
+        event->setTarget(&m_mediaElement);
+        m_mediaElement.scheduleEvent(event.release());
     }
 
     if (RuntimeEnabledFeatures::prefixedEncryptedMediaEnabled()) {
         // Send event for v0.1b EME.
         RefPtrWillBeRawPtr<Event> event = createWebkitNeedKeyEvent(initData, initDataLength);
-        event->setTarget(&element);
-        element.scheduleEvent(event.release());
+        event->setTarget(&m_mediaElement);
+        m_mediaElement.scheduleEvent(event.release());
     }
 }
 
-void HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey(HTMLMediaElement& element)
+void HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey()
 {
     WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey");
 
@@ -603,38 +599,36 @@ void HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey(HTMLMediaElem
     // FIXME: Is this really required?
 
     // 1. Let the media element be the specified HTMLMediaElement object.
-    HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(element);
+    // This is nothing but |this| element.
 
     // 2. If the media element's waiting for key value is false, queue a task
     //    to fire a simple event named waitingforkey at the media element.
-    if (!thisElement.m_isWaitingForKey) {
+    if (!m_isWaitingForKey) {
         RefPtrWillBeRawPtr<Event> event = Event::create(EventTypeNames::waitingforkey);
-        event->setTarget(&element);
-        element.scheduleEvent(event.release());
+        event->setTarget(&m_mediaElement);
+        m_mediaElement.scheduleEvent(event.release());
     }
 
     // 3. Set the media element's waiting for key value to true.
-    thisElement.m_isWaitingForKey = true;
+    m_isWaitingForKey = true;
 
     // 4. Suspend playback.
     //    (Already done on the Chromium side by the decryptors.)
 }
 
-void HTMLMediaElementEncryptedMedia::didResumePlaybackBlockedForKey(HTMLMediaElement& element)
+void HTMLMediaElementEncryptedMedia::didResumePlaybackBlockedForKey()
 {
     WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::didResumePlaybackBlockedForKey");
 
     // Logic is on the Chromium side to attempt to resume playback when a new
     // key is available. However, |m_isWaitingForKey| needs to be cleared so
     // that a later waitingForKey() call can generate the event.
-    HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(element);
-    thisElement.m_isWaitingForKey = false;
+    m_isWaitingForKey = false;
 }
 
-WebContentDecryptionModule* HTMLMediaElementEncryptedMedia::contentDecryptionModule(HTMLMediaElement& element)
+WebContentDecryptionModule* HTMLMediaElementEncryptedMedia::contentDecryptionModule()
 {
-    HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(element);
-    return thisElement.contentDecryptionModule();
+    return m_mediaKeys ? m_mediaKeys->contentDecryptionModule() : 0;
 }
 
 DEFINE_TRACE(HTMLMediaElementEncryptedMedia)