Removed lines left by mistake in previous patch(https://codereview.chromium.org/1080673004/).

net/base/load_flags_list.h

 // Copyright (c) 2011 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 is the list of load flags and their values. For the enum values,
 // include the file "net/base/load_flags.h".
 //
 // Here we define the values using a macro LOAD_FLAG, so it can be
 // expanded differently in some places (for example, to automatically
 // map a load flag value to its symbolic name).
 
 LOAD_FLAG(NORMAL, 0)
 
 // This is "normal reload", meaning an if-none-match/if-modified-since query
 LOAD_FLAG(VALIDATE_CACHE, 1 << 0)
 
 // This is "shift-reload", meaning a "pragma: no-cache" end-to-end fetch
 LOAD_FLAG(BYPASS_CACHE, 1 << 1)
 
 // This is a back/forward style navigation where the cached content should
 // be preferred over any protocol specific cache validation.
 LOAD_FLAG(PREFERRING_CACHE, 1 << 2)
 
 // This is a navigation that will fail if it cannot serve the requested
 // resource from the cache (or some equivalent local store).
 LOAD_FLAG(ONLY_FROM_CACHE, 1 << 3)
 
-// Indicate that if the request fails at the network level in a way that
-// indicates the source is unreachable, the request should fail over
-// to as if LOAD_PREFERRING_CACHE had been set.
-LOAD_FLAG(FROM_CACHE_IF_OFFLINE, 1 << 4)
-
 // This is a navigation that will not use the cache at all.  It does not
 // impact the HTTP request headers.
 LOAD_FLAG(DISABLE_CACHE, 1 << 4)
 
 // If present, causes certificate revocation checks to be skipped on secure
 // connections.
 LOAD_FLAG(DISABLE_CERT_REVOCATION_CHECKING, 1 << 5)
 
 // This load will not make any changes to cookies, including storing new
 // cookies or updating existing ones.
@@ skipping 48 matching lines @@
 // be honored, but that other forms of authority may be used.
 LOAD_FLAG(DO_NOT_USE_EMBEDDED_IDENTITY, 1 << 18)
 
 // Send request directly to the origin if the effective proxy is the data
 // reduction proxy.
 // TODO(rcs): Remove this flag as soon as http://crbug.com/339237 is resolved.
 LOAD_FLAG(BYPASS_DATA_REDUCTION_PROXY, 1 << 19)
 
 // Indicates the the request is an asynchronous revalidation.
 LOAD_FLAG(ASYNC_REVALIDATION, 1 << 20)