Shift URLRequest::Read API contract used by fetcher to ResourceLoader's.

net/base/sdch_problem_code_list.h

 // Copyright 2014 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.
 
 // This file intentionally does not have header guards, it's included
 // inside a macro to generate enum values.
 
 // This file contains list of sdch-related problem codes.
 // No error.
 SDCH_PROBLEM_CODE(OK, 0)
@@ skipping 37 matching lines @@
 
 // Dictionary loading problems.
 SDCH_PROBLEM_CODE(DICTIONARY_LOAD_ATTEMPT_FROM_DIFFERENT_HOST, 30)
 SDCH_PROBLEM_CODE(DICTIONARY_SELECTED_FOR_SSL, 31)
 SDCH_PROBLEM_CODE(DICTIONARY_ALREADY_LOADED, 32)
 SDCH_PROBLEM_CODE(DICTIONARY_SELECTED_FROM_NON_HTTP, 33)
 SDCH_PROBLEM_CODE(DICTIONARY_IS_TOO_LARGE, 34)
 SDCH_PROBLEM_CODE(DICTIONARY_COUNT_EXCEEDED, 35)
 // defunct = 36, // DICTIONARY_PREVIOUSLY_SCHEDULED_TO_DOWNLOAD used instead.
 // defunct = 37, // DICTIONARY_PREVIOUSLY_SCHEDULED_TO_DOWNLOAD used instead.
-SDCH_PROBLEM_CODE(DICTIONARY_FETCH_READ_FAILED, 38)
+// defunct = 38, // No longer paying attention to URLRequest::Read return.
 SDCH_PROBLEM_CODE(DICTIONARY_PREVIOUSLY_SCHEDULED_TO_DOWNLOAD, 39)
 
 // Failsafe hack.
 SDCH_PROBLEM_CODE(ATTEMPT_TO_DECODE_NON_HTTP_DATA, 40)
 
 // Content-Encoding problems detected, with no action taken.
 SDCH_PROBLEM_CODE(MULTIENCODING_FOR_NON_SDCH_REQUEST, 50)
 SDCH_PROBLEM_CODE(SDCH_CONTENT_ENCODE_FOR_NON_SDCH_REQUEST, 51)
 
 // Dictionary manager issues.
@@ skipping 49 matching lines @@
 // General SDCH problems.
 // SDCH is disabled.
 SDCH_PROBLEM_CODE(DISABLED, 105)
 // SDCH over https is disabled.
 SDCH_PROBLEM_CODE(SECURE_SCHEME_NOT_SUPPORTED, 106)
 
 // Used to bound histogram.
 SDCH_PROBLEM_CODE(MAX_PROBLEM_CODE, 110)
 
 // These values are not used in histograms.