Allow some Android media player implementation to be overridden by embedders.

media/base/android/media_player_bridge.cc

Index: media/base/android/media_player_bridge.cc
diff --git a/media/base/android/media_player_bridge.cc b/media/base/android/media_player_bridge.cc
index c7a4206161c00f24450f4b3505cc9e4be2faffc0..6fc4e16f3998ec6e6a3e66c537bd6f9ac938d70e 100644
--- a/media/base/android/media_player_bridge.cc
+++ b/media/base/android/media_player_bridge.cc
@@ -417,4 +417,12 @@ bool MediaPlayerBridge::IsPlayerReady() {
   return prepared_;
 }
 
+GURL MediaPlayerBridge::GetUrl() {
+  return url_;
+}
+
+GURL MediaPlayerBridge::GetFirstPartyForCookies() {
+  return first_party_for_cookies_;
+}
+
 }  // namespace media