Expose the poster image URL to WebMediaPlayer subclasses

Source/web/WebMediaPlayerClientImpl.cpp

Index: Source/web/WebMediaPlayerClientImpl.cpp
diff --git a/Source/web/WebMediaPlayerClientImpl.cpp b/Source/web/WebMediaPlayerClientImpl.cpp
index a08c3410133bcb02e1e4edbca30030e74fe37607..e5672bf9e9edee66b14e8982434994d5750534d3 100644
--- a/Source/web/WebMediaPlayerClientImpl.cpp
+++ b/Source/web/WebMediaPlayerClientImpl.cpp
@@ -229,6 +229,8 @@ void WebMediaPlayerClientImpl::loadInternal()
     // FIXME: Remove this cast
     Frame* frame = static_cast<HTMLMediaElement*>(m_client)->document().frame();
 
+    WebURL poster = m_client->mediaPlayerPosterURL();
+
     // This does not actually check whether the hardware can support accelerated
     // compositing, but only if the flag is set. However, this is checked lazily
     // in WebViewImpl::setIsAcceleratedCompositingActive() and will fail there
@@ -242,6 +244,9 @@ void WebMediaPlayerClientImpl::loadInternal()
         m_audioSourceProvider.wrap(m_webMediaPlayer->audioSourceProvider());
 #endif
 
+        // Tell WebMediaPlayer about the poster image URL.
+        m_webMediaPlayer->setPoster(poster);
+
         // Tell WebMediaPlayer about any connected CDM (may be null).
         m_webMediaPlayer->setContentDecryptionModule(m_cdm);
 
@@ -407,6 +412,12 @@ void WebMediaPlayerClientImpl::setMuted(bool muted)
         m_webMediaPlayer->setVolume(muted ? 0 : m_volume);
 }
 
+void WebMediaPlayerClientImpl::setPoster(const KURL& poster)
+{
+    if (m_webMediaPlayer)
+        m_webMediaPlayer->setPoster(WebURL(poster));
+}
+
 MediaPlayer::NetworkState WebMediaPlayerClientImpl::networkState() const
 {
     if (m_webMediaPlayer)