Split up quic_frames.{h,cc} into files for each frame type.

net/quic/core/frames/quic_stop_waiting_frame.cc

Index: net/quic/core/frames/quic_stop_waiting_frame.cc
diff --git a/net/quic/core/frames/quic_stop_waiting_frame.cc b/net/quic/core/frames/quic_stop_waiting_frame.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8a243b0808fb68e6bedb5008576ed2ab70e09ce5
--- /dev/null
+++ b/net/quic/core/frames/quic_stop_waiting_frame.cc
@@ -0,0 +1,23 @@
+// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/quic/core/frames/quic_stop_waiting_frame.h"
+
+#include "net/quic/core/quic_constants.h"
+
+using std::ostream;
+
+namespace net {
+
+QuicStopWaitingFrame::QuicStopWaitingFrame()
+    : path_id(kDefaultPathId), least_unacked(0) {}
+
+QuicStopWaitingFrame::~QuicStopWaitingFrame() {}
+
+ostream& operator<<(ostream& os, const QuicStopWaitingFrame& sent_info) {
+  os << "{ least_unacked: " << sent_info.least_unacked << " }\n";
+  return os;
+}
+
+}  // namespace net