Delete QUIC/SPDY utility methods for parsing headers/trailers.

net/quic/core/spdy_utils.cc

Index: net/quic/core/spdy_utils.cc
diff --git a/net/quic/core/spdy_utils.cc b/net/quic/core/spdy_utils.cc
index cf16e347fff465f8078d1977a3028d040914ba24..5ad6a43a5cdb6f2f78111f65b57fb06477dde15a 100644
--- a/net/quic/core/spdy_utils.cc
+++ b/net/quic/core/spdy_utils.cc
@@ -32,24 +32,6 @@ string SpdyUtils::SerializeUncompressedHeaders(const SpdyHeaderBlock& headers) {
 }
 
 // static
-bool SpdyUtils::ParseHeaders(const char* data,
-                             uint32_t data_len,
-                             int64_t* content_length,
-                             SpdyHeaderBlock* headers) {
-  SpdyFramer framer(SpdyFramer::ENABLE_COMPRESSION);
-  if (!framer.ParseHeaderBlockInBuffer(data, data_len, headers) ||
-      headers->empty()) {
-    return false;  // Headers were invalid.
-  }
-
-  if (!QuicContainsKey(*headers, "content-length")) {
-    return true;
-  }
-
-  return ExtractContentLengthFromHeaders(content_length, headers);
-}
-
-// static
 bool SpdyUtils::ExtractContentLengthFromHeaders(int64_t* content_length,
                                                 SpdyHeaderBlock* headers) {
   auto it = headers->find("content-length");
@@ -83,47 +65,6 @@ bool SpdyUtils::ExtractContentLengthFromHeaders(int64_t* content_length,
   }
 }
 
-// static
-bool SpdyUtils::ParseTrailers(const char* data,
-                              uint32_t data_len,
-                              size_t* final_byte_offset,
-                              SpdyHeaderBlock* trailers) {
-  SpdyFramer framer(SpdyFramer::ENABLE_COMPRESSION);
-  if (!framer.ParseHeaderBlockInBuffer(data, data_len, trailers) ||
-      trailers->empty()) {
-    QUIC_DVLOG(1) << "Request Trailers are invalid.";
-    return false;  // Trailers were invalid.
-  }
-
-  // Pull out the final offset pseudo header which indicates the number of
-  // response body bytes expected.
-  auto it = trailers->find(kFinalOffsetHeaderKey);
-  if (it == trailers->end() ||
-      !QuicTextUtils::StringToSizeT(it->second, final_byte_offset)) {
-    QUIC_DLOG(ERROR) << "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) {
-    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();
-  return true;
-}
-
 bool SpdyUtils::CopyAndValidateHeaders(const QuicHeaderList& header_list,
                                        int64_t* content_length,
                                        SpdyHeaderBlock* headers) {