Move deferred loading logic from WebMediaPlayerClientImpl to HTMLMediaElement.

Source/core/html/HTMLMediaElement.h

Index: Source/core/html/HTMLMediaElement.h
diff --git a/Source/core/html/HTMLMediaElement.h b/Source/core/html/HTMLMediaElement.h
index df5b8bf3d60998cc3f4f5c2b9b1b59d874a860c5..ec8a1d081d7edef1286e83278894c8302e97ac50 100644
--- a/Source/core/html/HTMLMediaElement.h
+++ b/Source/core/html/HTMLMediaElement.h
@@ -326,9 +326,6 @@ private:
     virtual void mediaPlayerRequestSeek(double) OVERRIDE FINAL;
     virtual void mediaPlayerRepaint() OVERRIDE FINAL;
     virtual void mediaPlayerSizeChanged() OVERRIDE FINAL;
-
-    virtual CORSMode mediaPlayerCORSMode() const OVERRIDE FINAL;
-
     virtual void mediaPlayerSetWebLayer(blink::WebLayer*) OVERRIDE FINAL;
     virtual void mediaPlayerSetOpaque(bool) OVERRIDE FINAL;
     virtual void mediaPlayerMediaSourceOpened(blink::WebMediaSource*) OVERRIDE FINAL;
@@ -353,6 +350,9 @@ private:
     void loadInternal();
     void selectMediaResource();
     void loadResource(const KURL&, ContentType&, const String& keySystem);
+    void setPlayerPreload();
+    void startDelayedLoad();
+    blink::WebMediaPlayer::LoadType loadType() const;
     void scheduleNextSourceChild();
     void loadNextSourceChild();
     void userCancelledLoad();
@@ -414,6 +414,8 @@ private:
     bool isBlockedOnMediaController() const;
     bool isAutoplaying() const { return m_autoplaying; }
 
+    blink::WebMediaPlayer::CORSMode corsMode() const;
+
     Timer<HTMLMediaElement> m_loadTimer;
     Timer<HTMLMediaElement> m_progressEventTimer;
     Timer<HTMLMediaElement> m_playbackProgressTimer;
@@ -492,6 +494,7 @@ private:
 
     bool m_completelyLoaded : 1;
     bool m_havePreparedToPlay : 1;
+    bool m_delayingLoadForPreloadNone : 1;
 
     bool m_tracksAreReady : 1;
     bool m_haveVisibleTextTrack : 1;