Downloads and passes the poster image to Android

content/renderer/media/android/webmediaplayer_android.cc

Index: content/renderer/media/android/webmediaplayer_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_android.cc b/content/renderer/media/android/webmediaplayer_android.cc
index 5fae87902cad03dfbe1b2d585b987f1a36ccf7f7..2cf51cdb613f7e152acfbefb350c6a9af54b47f0 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -36,6 +36,7 @@
 #include "net/base/mime_util.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
 #include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
@@ -1057,6 +1058,10 @@ void WebMediaPlayerAndroid::SetNeedsEstablishPeer(bool needs_establish_peer) {
   needs_establish_peer_ = needs_establish_peer;
 }
 
+void WebMediaPlayerAndroid::setPoster(const blink::WebURL& poster) {
+  manager_->SetPoster(player_id_, poster);
+}
+
 void WebMediaPlayerAndroid::UpdatePlayingState(bool is_playing) {
   is_playing_ = is_playing;
   if (!delegate_)