Remove final from rtc::Buffer.
With it removed, you can now use it with scoped_refptr by wrapping it in
an rtc::RefCountedObject<rtc::Buffer>.
BUG=
Review URL: https://codereview.webrtc.org/1414053003
Cr-Commit-Position: refs/heads/master@{#10386}
diff --git a/webrtc/base/buffer.h b/webrtc/base/buffer.h
index 8071701..7b9402b 100644
--- a/webrtc/base/buffer.h
+++ b/webrtc/base/buffer.h
@@ -44,7 +44,7 @@
// Basic buffer class, can be grown and shrunk dynamically.
// Unlike std::string/vector, does not initialize data when expanding capacity.
-class Buffer final {
+class Buffer {
public:
Buffer(); // An empty buffer.
Buffer(const Buffer& buf); // Copy size and contents of an existing buffer.
