MSE: Pick frame processor in ChunkDemuxer::AddId; prepare unit tests to pick processor

content/renderer/media/webmediasource_impl.cc

Index: content/renderer/media/webmediasource_impl.cc
diff --git a/content/renderer/media/webmediasource_impl.cc b/content/renderer/media/webmediasource_impl.cc
index 365fc0166f19179d685d40875732f8aebf71406b..c5976be42747bcafa5f397b3d592c5a383cd7caa 100644
--- a/content/renderer/media/webmediasource_impl.cc
+++ b/content/renderer/media/webmediasource_impl.cc
@@ -36,6 +36,7 @@ WebMediaSourceImpl::~WebMediaSourceImpl() {}
 WebMediaSource::AddStatus WebMediaSourceImpl::addSourceBuffer(
     const blink::WebString& type,
     const blink::WebVector<blink::WebString>& codecs,
+    const bool use_legacy_frame_processor,
     blink::WebSourceBuffer** source_buffer) {
   std::string id = base::GenerateGUID();
   std::vector<std::string> new_codecs(codecs.size());
@@ -43,7 +44,8 @@ WebMediaSource::AddStatus WebMediaSourceImpl::addSourceBuffer(
     new_codecs[i] = codecs[i].utf8().data();
   WebMediaSource::AddStatus result =
       static_cast<WebMediaSource::AddStatus>(
-          demuxer_->AddId(id, type.utf8().data(), new_codecs));
+          demuxer_->AddId(id, type.utf8().data(), new_codecs,
+                          use_legacy_frame_processor));
 
   if (result == WebMediaSource::AddStatusOk)
     *source_buffer = new WebSourceBufferImpl(id, demuxer_);
@@ -51,6 +53,13 @@ WebMediaSource::AddStatus WebMediaSourceImpl::addSourceBuffer(
   return result;
 }
 
+WebMediaSource::AddStatus WebMediaSourceImpl::addSourceBuffer(
+    const blink::WebString& type,
+    const blink::WebVector<blink::WebString>& codecs,
+    blink::WebSourceBuffer** source_buffer) {
+  return addSourceBuffer(type, codecs, true, source_buffer);
+}
+
 double WebMediaSourceImpl::duration() {
   return demuxer_->GetDuration();
 }