Add QuicStringPiece which is actually StringPiece.

net/tools/quic/quic_simple_server_stream.cc

 // Copyright (c) 2012 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/tools/quic/quic_simple_server_stream.h"
 
 #include <list>
 #include <utility>
 
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_spdy_stream.h"
 #include "net/quic/core/spdy_utils.h"
 #include "net/quic/platform/api/quic_bug_tracker.h"
 #include "net/quic/platform/api/quic_logging.h"
 #include "net/quic/platform/api/quic_map_util.h"
 #include "net/quic/platform/api/quic_text_utils.h"
 #include "net/spdy/spdy_protocol.h"
 #include "net/tools/quic/quic_http_response_cache.h"
 #include "net/tools/quic/quic_simple_server_session.h"
 
-using base::StringPiece;
 using std::string;
 
 namespace net {
 
 QuicSimpleServerStream::QuicSimpleServerStream(
     QuicStreamId id,
     QuicSpdySession* session,
     QuicHttpResponseCache* response_cache)
     : QuicSpdyServerStreamBase(id, session),
       content_length_(-1),
@@ skipping 184 matching lines @@
   QUIC_DVLOG(1) << "Stream " << id() << " sending error response.";
   SpdyHeaderBlock headers;
   headers[":status"] = "500";
   headers["content-length"] =
       QuicTextUtils::Uint64ToString(strlen(kErrorResponseBody));
   SendHeadersAndBody(std::move(headers), kErrorResponseBody);
 }
 
 void QuicSimpleServerStream::SendHeadersAndBody(
     SpdyHeaderBlock response_headers,
-    StringPiece body) {
+    QuicStringPiece body) {
   SendHeadersAndBodyAndTrailers(std::move(response_headers), body,
                                 SpdyHeaderBlock());
 }
 
 void QuicSimpleServerStream::SendHeadersAndBodyAndTrailers(
     SpdyHeaderBlock response_headers,
-    StringPiece body,
+    QuicStringPiece body,
     SpdyHeaderBlock response_trailers) {
   if (!allow_bidirectional_data() && !reading_stopped()) {
     StopReading();
   }
 
   // Send the headers, with a FIN if there's nothing else to send.
   bool send_fin = (body.empty() && response_trailers.empty());
   QUIC_DLOG(INFO) << "Stream " << id() << " writing headers (fin = " << send_fin
                   << ") : " << response_headers.DebugString();
   WriteHeaders(std::move(response_headers), send_fin, nullptr);
@@ skipping 18 matching lines @@
   QUIC_DLOG(INFO) << "Stream " << id() << " writing trailers (fin = true): "
                   << response_trailers.DebugString();
   WriteTrailers(std::move(response_trailers), nullptr);
 }
 
 const char* const QuicSimpleServerStream::kErrorResponseBody = "bad";
 const char* const QuicSimpleServerStream::kNotFoundResponseBody =
     "file not found";
 
 }  // namespace net