Fixed Linux build with glib 2.40 (Ubuntu 14.04).

net/proxy/proxy_config_service_linux.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/proxy/proxy_config_service_linux.h"
 
+// glib >=2.40 deprecate g_settings_list_schemas in favor of
+// g_settings_schema_source_list_schemas. This function is not available on
+// earlier versions that we still need to support (specifically, 2.32), so
+// disable the warning.
+// TODO(mgiuca): Remove this suppression when we drop support for Ubuntu 13.10
+// (saucy) and earlier. Update the code to use
+// g_settings_schema_source_list_schemas instead.
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
+
 #include <errno.h>
 #include <fcntl.h>
 #if defined(USE_GCONF)
 #include <gconf/gconf-client.h>
 #endif  // defined(USE_GCONF)
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/inotify.h>
 #include <unistd.h>
@@ skipping 15 matching lines @@
 #include "base/strings/string_util.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/timer/timer.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_util.h"
 #include "net/proxy/proxy_config.h"
 #include "net/proxy/proxy_server.h"
 #include "url/url_canon.h"
 
 #if defined(USE_GIO)
-#if __clang__
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
-#endif
 #include "library_loaders/libgio.h"
 #endif  // defined(USE_GIO)
 
 namespace net {
 
 namespace {
 
 // Given a proxy hostname from a setting, returns that hostname with
 // an appropriate proxy server scheme prefix.
 // scheme indicates the desired proxy scheme: usually http, with
@@ skipping 1706 matching lines @@
 void ProxyConfigServiceLinux::RemoveObserver(Observer* observer) {
   delegate_->RemoveObserver(observer);
 }
 
 ProxyConfigService::ConfigAvailability
     ProxyConfigServiceLinux::GetLatestProxyConfig(ProxyConfig* config) {
   return delegate_->GetLatestProxyConfig(config);
 }
 
 }  // namespace net