Eliminate MediaPlayer & MediaPlayerClient abstractions

Source/core/html/HTMLMediaElement.cpp

Index: Source/core/html/HTMLMediaElement.cpp
diff --git a/Source/core/html/HTMLMediaElement.cpp b/Source/core/html/HTMLMediaElement.cpp
index 5989e22687f9677f46374eca682cd28eec45fbd8..ff1b5ae54759f40339e633234b649de8233e9f9c 100644
--- a/Source/core/html/HTMLMediaElement.cpp
+++ b/Source/core/html/HTMLMediaElement.cpp
@@ -1826,7 +1826,7 @@ HTMLMediaElement::ReadyState HTMLMediaElement::readyState() const
 
 bool HTMLMediaElement::hasAudio() const
 {
-    return m_player ? m_player->hasAudio() : false;
+    return webMediaPlayer() && webMediaPlayer()->hasAudio();
 }
 
 bool HTMLMediaElement::seeking() const
@@ -3244,16 +3244,16 @@ void HTMLMediaElement::setClosedCaptionsVisible(bool closedCaptionVisible)
 
 unsigned HTMLMediaElement::webkitAudioDecodedByteCount() const
 {
-    if (!m_player)
+    if (!webMediaPlayer())
         return 0;
-    return m_player->audioDecodedByteCount();
+    return webMediaPlayer()->audioDecodedByteCount();
 }
 
 unsigned HTMLMediaElement::webkitVideoDecodedByteCount() const
 {
-    if (!m_player)
+    if (!webMediaPlayer())
         return 0;
-    return m_player->videoDecodedByteCount();
+    return webMediaPlayer()->videoDecodedByteCount();
 }
 
 bool HTMLMediaElement::isURLAttribute(const Attribute& attribute) const