Robuta

https://codereview.chromium.org/1907683002/diff/1/net/quic/quic_header_list.h net/quic/quic_header_list.h - Issue 1907683002: Adds a DebugString() method to QuicHeaderList. -... https://codereview.chromium.org/1907683002/patch/1/10002 net/quic/quic_header_list.h - Issue 1907683002: Adds a DebugString() method to QuicHeaderList. -... https://codereview.chromium.org/1907683002/diff/1/net/quic/quic_header_list_test.cc net/quic/quic_header_list_test.cc - Issue 1907683002: Adds a DebugString() method to... https://codereview.chromium.org/1907683002/ Issue 1907683002: Adds a DebugString() method to QuicHeaderList. - Code Review issue adds method code review