Change WebRTC IP handling policy from multiple booleans to an enum.

content/public/common/renderer_preferences.h

 // 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.
 //
 // A struct for managing browser's settings that apply to the renderer or its
 // webview.  These differ from WebPreferences since they apply to Chromium's
 // glue layer rather than applying to just WebKit.
 //
 // Adding new values to this class probably involves updating
 // common/view_messages.h, browser/browser.cc, etc.
@@ skipping 75 matching lines @@
 
   // Whether or not to set custom colors at all.
   bool use_custom_colors;
 
   // Set to false to not send referrers.
   bool enable_referrers;
 
   // Set to true to indicate that the preference to set DNT to 1 is enabled.
   bool enable_do_not_track;
 
-  // Set to false to indicate that WebRTC should use the OS default routing.
-  bool enable_webrtc_multiple_routes;
-
-  // Set to false to indicate that WebRTC should not use non-proxied UDP to
-  // connect to peers and TURN servers, which effectively disables all WebRTC's
-  // UDP traffic for now, until UDP-based proxy support is available in
-  // Chromium. Default is true.
-  bool enable_webrtc_nonproxied_udp;
+  // This is the IP handling policy override for WebRTC. The value must be one
+  // of the strings defined in privacy.json. Default is in brower_ui_prefs.cc.
+  std::string webrtc_ip_handling_policy;
 
   // Default page zoom level.
   double default_zoom_level;
 
   // The user agent given to WebKit when it requests one and the user agent is
   // being overridden for the current navigation.
   std::string user_agent_override;
 
   // The accept-languages of the browser, comma-separated.
   std::string accept_languages;
@@ skipping 58 matching lines @@
   int32 arrow_bitmap_width_horizontal_scroll_bar_in_dips;
 #endif
 
   // The default font size used for rendering on Linux.
   int default_font_size;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_RENDERER_PREFERENCES_H_