Fix MSE GC, make it less aggressive, more spec-compliant

media/blink/websourcebuffer_impl.cc

Index: media/blink/websourcebuffer_impl.cc
diff --git a/media/blink/websourcebuffer_impl.cc b/media/blink/websourcebuffer_impl.cc
index 0e387785ae1db4d0bb3a64b54d7dac0d3b1100fc..f4507f36a77e4179dbdab9d267ea42544a04ca5b 100644
--- a/media/blink/websourcebuffer_impl.cc
+++ b/media/blink/websourcebuffer_impl.cc
@@ -81,6 +81,14 @@ blink::WebTimeRanges WebSourceBufferImpl::buffered() {
   return result;
 }
 
+bool WebSourceBufferImpl::evictCodedFrames(double currentPlaybackTime,
+                                           size_t newDataSize) {
+  return demuxer_->EvictCodedFrames(
+      id_,
+      base::TimeDelta::FromSecondsD(currentPlaybackTime),
+      newDataSize);
+}
+
 void WebSourceBufferImpl::append(
     const unsigned char* data,
     unsigned length,