Revert "Sdch view for net-internals"

net/base/net_log_event_type_list.h

 // 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.
 
 // NOTE: No header guards are used, since this file is intended to be expanded
 // directly into net_log.h. DO NOT include this file anywhere else.
 
 // In the event of a failure, a many end events will have a |net_error|
 // parameter with the integer error code associated with the failure.  Most
 // of these parameters are not individually documented.
@@ skipping 2398 matching lines @@
 // entry.  It contains no parameters.
 EVENT_TYPE(SIMPLE_CACHE_ENTRY_CLOSE_BEGIN)
 
 // This event is created when the Simple Cache finishes a CloseEntry call.  It
 // contains no parameters.
 EVENT_TYPE(SIMPLE_CACHE_ENTRY_CLOSE_END)
 
 // This event is created (in a source of the same name) when the internal DNS
 // resolver creates a UDP socket to check for global IPv6 connectivity.
 EVENT_TYPE(IPV6_REACHABILITY_CHECK)
-
-// ------------------------------------------------------------------------
-// SDCH
-// ------------------------------------------------------------------------
-
-// This event is created when some problem occurs during sdch-encoded resource
-// handling. It contains the following parameters:
-//   {
-//     "sdch_problem_code": <SDCH problem code>,
-//     "net_error": <Always ERR_FAILED, present just to indicate this is a
-//                   failure>,
-//   }
-EVENT_TYPE(SDCH_DECODING_ERROR)
-
-// This event is created when SdchFilter initialization fails due to the
-// response corruption. It contains the following parameters:
-//   {
-//     "cause": <Response corruption detection cause>,
-//     "cached": <True if response was read from cache>,
-//   }
-EVENT_TYPE(SDCH_RESPONSE_CORRUPTION_DETECTION)
-
-// This event is created when some problem occurs during sdch dictionary fetch.
-// It contains the following parameters:
-//   {
-//     "dictionary_url": <Dictionary url>,
-//     "sdch_problem_code": <SDCH problem code>,
-//     "net_error": <Only present on unexpected errors. Always ERR_FAILED when
-//                   present. Used to indicate this is a real failure>,
-//   }
-EVENT_TYPE(SDCH_DICTIONARY_ERROR)
-
-// This event is created when SdchDictionaryFetcher starts fetch.  It contains
-// no parameters.
-EVENT_TYPE(SDCH_DICTIONARY_FETCH)