Introduce the playback time into the MSE garbage collection.

media/filters/frame_processor.cc

Index: media/filters/frame_processor.cc
diff --git a/media/filters/frame_processor.cc b/media/filters/frame_processor.cc
index 68f4c613d81aa4cfe71ed63d52a711a81de98ebb..f6e3eca4befbcd99a83898dbed55ea9cd616e113 100644
--- a/media/filters/frame_processor.cc
+++ b/media/filters/frame_processor.cc
@@ -43,7 +43,8 @@ bool FrameProcessor::ProcessFrames(
     base::TimeDelta append_window_start,
     base::TimeDelta append_window_end,
     bool* new_media_segment,
-    base::TimeDelta* timestamp_offset) {
+    base::TimeDelta* timestamp_offset,
+    base::TimeDelta media_time) {
   StreamParser::BufferQueue frames;
   if (!MergeBufferQueues(audio_buffers, video_buffers, text_map, &frames)) {
     DVLOG(2) << "Parse error discovered while merging parser's buffers";
@@ -62,7 +63,7 @@ bool FrameProcessor::ProcessFrames(
   for (StreamParser::BufferQueue::const_iterator frames_itr = frames.begin();
        frames_itr != frames.end(); ++frames_itr) {
     if (!ProcessFrame(*frames_itr, append_window_start, append_window_end,
-                      timestamp_offset, new_media_segment)) {
+                      timestamp_offset, new_media_segment, media_time)) {
       return false;
     }
   }
@@ -80,7 +81,8 @@ bool FrameProcessor::ProcessFrame(
     base::TimeDelta append_window_start,
     base::TimeDelta append_window_end,
     base::TimeDelta* timestamp_offset,
-    bool* new_media_segment) {
+    bool* new_media_segment,
+    base::TimeDelta media_time) {
   // Implements the loop within step 1 of the coded frame processing algorithm
   // for a single input frame per April 1, 2014 MSE spec editor's draft:
   // https://dvcs.w3.org/hg/html-media/raw-file/d471a4412040/media-source/
@@ -339,7 +341,7 @@ bool FrameProcessor::ProcessFrame(
     // See http://crbug.com/371197.
     StreamParser::BufferQueue buffer_to_append;
     buffer_to_append.push_back(frame);
-    if (!track_buffer->stream()->Append(buffer_to_append)) {
+    if (!track_buffer->stream()->Append(buffer_to_append, media_time)) {
       DVLOG(3) << __FUNCTION__ << ": Failure appending frame to stream";
       return false;
     }