Remove unused HeaderIndexing class.

net/BUILD.gn

 # 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 1583 matching lines @@
       "spdy/core/spdy_frame_builder.cc",
       "spdy/core/spdy_frame_builder.h",
       "spdy/core/spdy_frame_reader.cc",
       "spdy/core/spdy_frame_reader.h",
       "spdy/core/spdy_framer.cc",
       "spdy/core/spdy_framer.h",
       "spdy/core/spdy_framer_decoder_adapter.cc",
       "spdy/core/spdy_framer_decoder_adapter.h",
       "spdy/core/spdy_header_block.cc",
       "spdy/core/spdy_header_block.h",
-      "spdy/core/spdy_header_indexing.cc",
-      "spdy/core/spdy_header_indexing.h",
       "spdy/core/spdy_headers_handler_interface.h",
       "spdy/core/spdy_pinnable_buffer_piece.cc",
       "spdy/core/spdy_pinnable_buffer_piece.h",
       "spdy/core/spdy_prefixed_buffer_reader.cc",
       "spdy/core/spdy_prefixed_buffer_reader.h",
       "spdy/core/spdy_protocol.cc",
       "spdy/core/spdy_protocol.h",
       "spdy/core/write_scheduler.h",
       "spdy/core/zero_copy_output_buffer.h",
       "spdy/platform/api/spdy_estimate_memory_usage.h",
@@ skipping 3164 matching lines @@
     "spdy/core/mock_spdy_framer_visitor.h",
     "spdy/core/priority_write_scheduler_test.cc",
     "spdy/core/spdy_alt_svc_wire_format_test.cc",
     "spdy/core/spdy_deframer_visitor.cc",
     "spdy/core/spdy_deframer_visitor.h",
     "spdy/core/spdy_deframer_visitor_test.cc",
     "spdy/core/spdy_frame_builder_test.cc",
     "spdy/core/spdy_frame_reader_test.cc",
     "spdy/core/spdy_framer_test.cc",
     "spdy/core/spdy_header_block_test.cc",
-    "spdy/core/spdy_header_indexing_test.cc",
     "spdy/core/spdy_no_op_visitor.cc",
     "spdy/core/spdy_no_op_visitor.h",
     "spdy/core/spdy_pinnable_buffer_piece_test.cc",
     "spdy/core/spdy_prefixed_buffer_reader_test.cc",
     "spdy/core/spdy_protocol_test.cc",
     "spdy/core/spdy_protocol_test_utils.cc",
     "spdy/core/spdy_protocol_test_utils.h",
     "spdy/core/spdy_test_utils.cc",
     "spdy/core/spdy_test_utils.h",
     "spdy/platform/api/spdy_string_utils_test.cc",
@@ skipping 1024 matching lines @@
   ]
   deps = [
     ":net_fuzzer_test_support",
     ":test_support",
     "//base",
     "//net",
   ]
   dict = "data/fuzzer_dictionaries/net_spdy_session_fuzzer.dict"
   seed_corpus = "data/fuzzer_data/net_spdy_session_fuzzer/"
 }