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

net/quic/core/frames/quic_connection_close_frame.cc

Index: net/quic/core/frames/quic_connection_close_frame.cc
diff --git a/net/quic/core/frames/quic_connection_close_frame.cc b/net/quic/core/frames/quic_connection_close_frame.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5f30163d9433748c8f518c7a28d571f52fecf12d
--- /dev/null
+++ b/net/quic/core/frames/quic_connection_close_frame.cc
@@ -0,0 +1,21 @@
+// 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_connection_close_frame.h"
+
+using std::ostream;
+
+namespace net {
+
+QuicConnectionCloseFrame::QuicConnectionCloseFrame()
+    : error_code(QUIC_NO_ERROR) {}
+
+ostream& operator<<(std::ostream& os,
+                    const QuicConnectionCloseFrame& connection_close_frame) {
+  os << "{ error_code: " << connection_close_frame.error_code
+     << ", error_details: '" << connection_close_frame.error_details << "' }\n";
+  return os;
+}
+
+}  // namespace net