Refactor proxy handling for ChromeOS to not go through the CrosSettings interface.

chrome/browser/ui/webui/chromeos/proxy_settings_ui.h

Index: chrome/browser/ui/webui/chromeos/proxy_settings_ui.h
diff --git a/chrome/browser/ui/webui/chromeos/proxy_settings_ui.h b/chrome/browser/ui/webui/chromeos/proxy_settings_ui.h
index 83f44d982beec13aa62d4c52e31f29c98dacdceb..df5c6cdedbc01f1868f1a5f927dca2ecfb99001e 100644
--- a/chrome/browser/ui/webui/chromeos/proxy_settings_ui.h
+++ b/chrome/browser/ui/webui/chromeos/proxy_settings_ui.h
@@ -6,7 +6,6 @@
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_PROXY_SETTINGS_UI_H_
 #pragma once
 
-#include "chrome/browser/chromeos/proxy_cros_settings_provider.h"
 #include "chrome/browser/ui/webui/chrome_web_ui.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
@@ -26,9 +25,6 @@ class ProxySettingsUI : public ChromeWebUI,
   // Overridden from OptionsPageUIHandlerHost:
   virtual void InitializeHandlers() OVERRIDE;
 
-  chromeos::ProxyCrosSettingsProvider* proxy_settings();
-
-  chromeos::ProxyCrosSettingsProvider* proxy_settings_;  // Weak ptr.
   chromeos::ProxyHandler* proxy_handler_;  // Weak ptr.
 
   DISALLOW_COPY_AND_ASSIGN(ProxySettingsUI);