Remove LOG << "Changing alternative service".

net/http/http_server_properties_impl.cc

 // 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.
 
 #include "net/http/http_server_properties_impl.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 274 matching lines @@
   }
   if (IsAlternativeServiceBroken(complete_alternative_service)) {
     DVLOG(1) << "Ignore alternative service since it is known to be broken.";
     return;
   }
 
   const AlternativeServiceInfo alternative_service_info(
       alternative_service, alternative_probability);
   AlternativeServiceMap::const_iterator it =
       GetAlternateProtocolIterator(origin);
-  if (it != alternative_service_map_.end()) {
-    const AlternativeServiceInfo existing_alternative_service_info = it->second;
-    if (existing_alternative_service_info != alternative_service_info) {
-      LOG(WARNING) << "Changing the alternative service for: "
-                   << origin.ToString() << " from "
-                   << existing_alternative_service_info.ToString() << " to "
-                   << alternative_service_info.ToString() << ".";
-    }
-  } else {
-    if (alternative_probability >= alternative_service_probability_threshold_) {
-      // TODO(rch): Consider the case where multiple requests are started
-      // before the first completes. In this case, only one of the jobs
-      // would reach this code, whereas all of them should should have.
-      HistogramAlternateProtocolUsage(ALTERNATE_PROTOCOL_USAGE_MAPPING_MISSING);
-    }
+  if (it == alternative_service_map_.end() &&
+      alternative_probability >= alternative_service_probability_threshold_) {
+    // TODO(rch): Consider the case where multiple requests are started
+    // before the first completes. In this case, only one of the jobs
+    // would reach this code, whereas all of them should should have.
+    HistogramAlternateProtocolUsage(ALTERNATE_PROTOCOL_USAGE_MAPPING_MISSING);
   }
 
   alternative_service_map_.Put(origin, alternative_service_info);
 
   // If this host ends with a canonical suffix, then set it as the
   // canonical host.
   for (size_t i = 0; i < canonical_suffixes_.size(); ++i) {
     std::string canonical_suffix = canonical_suffixes_[i];
     if (base::EndsWith(origin.host(), canonical_suffixes_[i], false)) {
       HostPortPair canonical_host(canonical_suffix, origin.port());
@@ skipping 286 matching lines @@
   base::TimeDelta delay = when > now ? when - now : base::TimeDelta();
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE,
       base::Bind(
           &HttpServerPropertiesImpl::ExpireBrokenAlternateProtocolMappings,
           weak_ptr_factory_.GetWeakPtr()),
       delay);
 }
 
 }  // namespace net