Linux: Detect Unity as a desktop environment.

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"
 
 #include <errno.h>
 #include <fcntl.h>
 #if defined(USE_GCONF)
 #include <gconf/gconf-client.h>
@@ skipping 1554 matching lines @@
       setting_getter_->BypassListIsReversed();
 
   return true;
 }
 
 ProxyConfigServiceLinux::Delegate::Delegate(base::Environment* env_var_getter)
     : env_var_getter_(env_var_getter) {
   // Figure out which SettingGetterImpl to use, if any.
   switch (base::nix::GetDesktopEnvironment(env_var_getter)) {
     case base::nix::DESKTOP_ENVIRONMENT_GNOME:
+    case base::nix::DESKTOP_ENVIRONMENT_UNITY:
 #if defined(USE_GIO)
       {
         scoped_ptr<SettingGetterImplGSettings> gs_getter(
             new SettingGetterImplGSettings());
         // We have to load symbols and check the GNOME version in use to decide
         // if we should use the gsettings getter. See LoadAndCheckVersion().
         if (gs_getter->LoadAndCheckVersion(env_var_getter))
           setting_getter_.reset(gs_getter.release());
       }
 #endif
@@ skipping 227 matching lines @@
 void ProxyConfigServiceLinux::RemoveObserver(Observer* observer) {
   delegate_->RemoveObserver(observer);
 }
 
 ProxyConfigService::ConfigAvailability
     ProxyConfigServiceLinux::GetLatestProxyConfig(ProxyConfig* config) {
   return delegate_->GetLatestProxyConfig(config);
 }
 
 }  // namespace net