linux: generalize desktop environment guessing to encompass KDE

base/linux_util.h

 // Copyright (c) 2009 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.
 
 #ifndef BASE_LINUX_UTIL_H__
 #define BASE_LINUX_UTIL_H__
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 14 matching lines @@
  public:
   virtual ~EnvironmentVariableGetter() {}
   // Gets an environment variable's value and stores it in
   // result. Returns false if the key is unset.
   virtual bool Getenv(const char* variable_name, std::string* result) = 0;
 
   // Create an instance of EnvironmentVariableGetter
   static EnvironmentVariableGetter* Create();
 };
 
-// Return true if we appear to be running under Gnome and should attempt to use
-// some prefrences from the desktop environment (eg proxy settings),
-// If someone adds support for other environments, this function could be
-// replaced with one that returns an enum so we an specify Gnome, KDE, etc.
-bool UseGnomeForSettings(EnvironmentVariableGetter* env_var_getter);
+enum DesktopEnvironment {
+  DESKTOP_ENVIRONMENT_OTHER,
+  DESKTOP_ENVIRONMENT_GNOME,
+  DESKTOP_ENVIRONMENT_KDE,
+};
+
+// Return an entry from the DesktopEnvironment enum with a best guess
+// of which desktop environment we're using.  We use this to know when
+// to attempt to use preferences from the desktop environment --
+// proxy settings, password manager, etc.
+DesktopEnvironment GetDesktopEnvironment(EnvironmentVariableGetter* env);
 
 }  // namespace base
 
 #endif  // BASE_LINUX_UTIL_H__