Support for parsing encrypted WebM streams by src.

webkit/media/filter_helpers.cc

Index: webkit/media/filter_helpers.cc
diff --git a/webkit/media/filter_helpers.cc b/webkit/media/filter_helpers.cc
index 9ae007ced88fb826274b76db490221f4f4476436..c1e36c077787150dce2003a2fed51b41a50e64f4 100644
--- a/webkit/media/filter_helpers.cc
+++ b/webkit/media/filter_helpers.cc
@@ -80,11 +80,13 @@ void BuildDefaultCollection(
     const scoped_refptr<media::DataSource>& data_source,
     media::MessageLoopFactory* message_loop_factory,
     media::FilterCollection* filter_collection,
-    media::Decryptor* decryptor) {
+    media::Decryptor* decryptor,
+    const media::FFmpegNeedKeyCB& need_key_cb) {
   filter_collection->SetDemuxer(new media::FFmpegDemuxer(
       message_loop_factory->GetMessageLoop(
           media::MessageLoopFactory::kPipeline),
-      data_source));
+      data_source,
+      need_key_cb));
 
   AddDefaultDecodersToCollection(message_loop_factory, filter_collection,
                                  decryptor);