Port cronet build rules to GN part 1

net/net.gyp

 # Copyright 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.
 
 {
   'variables': {
     'chromium_code': 1,
     'linux_link_kerberos%': 0,
     'conditions': [
       ['chromeos==1 or embedded==1 or OS=="ios"', {
@@ skipping 63 matching lines @@
         },
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '<(SHARED_INTERMEDIATE_DIR)'
         ],
       },
     },
     {
       # Protobuf compiler / generator for QUIC crypto protocol buffer.
-      # GN version: //net/quic/proto
+      # GN version: //net:net_quic_proto
       'target_name': 'net_quic_proto',
       'type': 'static_library',
       'sources': [
         'quic/proto/cached_network_parameters.proto',
         'quic/proto/source_address_token.proto',
       ],
       'variables': {
         'enable_wexit_time_destructors': 1,
         'proto_in_dir': 'quic/proto',
         'proto_out_dir': 'net/quic/proto',
@@ skipping 1534 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }