Add QuicStringPiece which is actually StringPiece.

net/quic/core/quic_spdy_session.h

 // Copyright (c) 2015 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.
 
 #ifndef NET_QUIC_CORE_QUIC_SPDY_SESSION_H_
 #define NET_QUIC_CORE_QUIC_SPDY_SESSION_H_
 
 #include <cstddef>
 #include <memory>
 
 #include "base/macros.h"
 #include "net/quic/core/quic_header_list.h"
 #include "net/quic/core/quic_headers_stream.h"
 #include "net/quic/core/quic_session.h"
 #include "net/quic/core/quic_spdy_stream.h"
 #include "net/quic/platform/api/quic_export.h"
+#include "net/quic/platform/api/quic_string_piece.h"
 
 namespace net {
 
 namespace test {
 class QuicSpdySessionPeer;
 }  // namespace test
 
 // QuicHpackDebugVisitor gathers data used for understanding HPACK HoL
 // dynamics.  Specifically, it is to help predict the compression
 // penalty of avoiding HoL by chagning how the dynamic table is used.
@@ skipping 201 matching lines @@
 
   // For force HOL blocking, where stream frames from all streams are
   // plumbed through headers stream as HTTP/2 data frames.
   // The following two return false if force_hol_blocking_ is false.
   bool OnDataFrameHeader(QuicStreamId stream_id, size_t length, bool fin);
   bool OnStreamFrameData(QuicStreamId stream_id, const char* data, size_t len);
 
   // Helper for |WritevStreamData()|.
   void WriteDataFrame(
       QuicStreamId stream_id,
-      base::StringPiece data,
+      QuicStringPiece data,
       bool fin,
       QuicReferenceCountedPointer<QuicAckListenerInterface> ack_listener);
 
   // This was formerly QuicHeadersStream::WriteHeaders.  Needs to be
   // separate from QuicSpdySession::WriteHeaders because tests call
   // this but mock the latter.
   size_t WriteHeadersImpl(
       QuicStreamId id,
       SpdyHeaderBlock headers,
       bool fin,
@@ skipping 31 matching lines @@
 
   SpdyFramer spdy_framer_;
   std::unique_ptr<SpdyFramerVisitor> spdy_framer_visitor_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSpdySession);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_QUIC_SPDY_SESSION_H_