Add QuicStringPiece which is actually StringPiece.

net/quic/core/spdy_utils.cc

 // Copyright (c) 2013 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/spdy_utils.h"
 
 #include <memory>
 #include <vector>
 
 #include "net/quic/platform/api/quic_logging.h"
 #include "net/quic/platform/api/quic_map_util.h"
+#include "net/quic/platform/api/quic_string_piece.h"
 #include "net/quic/platform/api/quic_text_utils.h"
 #include "net/quic/platform/api/quic_url_utils.h"
 #include "net/spdy/spdy_flags.h"
 #include "net/spdy/spdy_frame_builder.h"
 #include "net/spdy/spdy_framer.h"
 #include "net/spdy/spdy_protocol.h"
 
-using base::StringPiece;
 using std::string;
 
 namespace net {
 
 // static
 string SpdyUtils::SerializeUncompressedHeaders(const SpdyHeaderBlock& headers) {
   size_t length = SpdyFramer::GetSerializedLength(&headers);
   SpdyFrameBuilder builder(length);
   SpdyFramer framer(SpdyFramer::DISABLE_COMPRESSION);
   framer.SerializeHeaderBlockWithoutCompression(&builder, headers);
@@ skipping 20 matching lines @@
 }
 
 // static
 bool SpdyUtils::ExtractContentLengthFromHeaders(int64_t* content_length,
                                                 SpdyHeaderBlock* headers) {
   auto it = headers->find("content-length");
   if (it == headers->end()) {
     return false;
   } else {
     // Check whether multiple values are consistent.
-    StringPiece content_length_header = it->second;
-    std::vector<StringPiece> values =
+    QuicStringPiece content_length_header = it->second;
+    std::vector<QuicStringPiece> values =
         QuicTextUtils::Split(content_length_header, '\0');
-    for (const StringPiece& value : values) {
+    for (const QuicStringPiece& value : values) {
       uint64_t new_value;
       if (!QuicTextUtils::StringToUint64(value, &new_value)) {
         QUIC_DLOG(ERROR)
             << "Content length was either unparseable or negative.";
         return false;
       }
       if (*content_length < 0) {
         *content_length = new_value;
         continue;
       }
@@ skipping 28 matching lines @@
       !QuicTextUtils::StringToSizeT(it->second, final_byte_offset)) {
     QUIC_DVLOG(1) << "Required key '" << kFinalOffsetHeaderKey
                   << "' not present";
     return false;
   }
   // The final offset header is no longer needed.
   trailers->erase(it->first);
 
   // Trailers must not have empty keys, and must not contain pseudo headers.
   for (const auto& trailer : *trailers) {
-    StringPiece key = trailer.first;
-    StringPiece value = trailer.second;
+    QuicStringPiece key = trailer.first;
+    QuicStringPiece value = trailer.second;
     if (QuicTextUtils::StartsWith(key, ":")) {
       QUIC_DVLOG(1) << "Trailers must not contain pseudo-header: '" << key
                     << "','" << value << "'.";
       return false;
     }
 
     // TODO(rjshade): Check for other forbidden keys, following the HTTP/2 spec.
   }
 
   QUIC_DVLOG(1) << "Successfully parsed Trailers: " << trailers->DebugString();
@@ skipping 128 matching lines @@
     (*headers)[":authority"] = url.substr(start);
     (*headers)[":path"] = "/";
     return true;
   }
   (*headers)[":authority"] = url.substr(start, pos - start);
   (*headers)[":path"] = url.substr(pos);
   return true;
 }
 
 }  // namespace net