Remove NetworkStateInformer's dependency on ProxyConfigServiceImpl.

chromeos/network/network_state.h

Index: chromeos/network/network_state.h
diff --git a/chromeos/network/network_state.h b/chromeos/network/network_state.h
index 5ce82fbeaa9c3604f032112f091fd3501dd880ae..578c95890ca17ab6cb124ce14ceb2063afd27b7f 100644
--- a/chromeos/network/network_state.h
+++ b/chromeos/network/network_state.h
@@ -8,12 +8,9 @@
 #include <string>
 #include <vector>
 
+#include "base/values.h"
 #include "chromeos/network/managed_state.h"
 
-namespace base {
-class DictionaryValue;
-}
-
 namespace chromeos {
 
 // Simple class to provide network state information about a network service.
@@ -45,11 +42,11 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   const std::string& guid() const { return guid_; }
   const std::string& connection_state() const { return connection_state_; }
   const std::string& profile_path() const { return profile_path_; }
-  const std::string& proxy_config() const { return proxy_config_; }
   const std::string& error() const { return error_; }
   bool auto_connect() const { return auto_connect_; }
   bool favorite() const { return favorite_; }
   int priority() const { return priority_; }
+  const base::DictionaryValue& proxy_config() const { return proxy_config_; }
   // Wireless property accessors
   int signal_strength() const { return signal_strength_; }
   bool connectable() const { return connectable_; }
@@ -99,11 +96,13 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   std::string guid_;
   std::string connection_state_;
   std::string profile_path_;
-  std::string proxy_config_;
   std::string error_;
   bool auto_connect_;
   bool favorite_;
   int priority_;
+  // TODO(pneubeck): Remove this property once NetworkConfigurationHandler
+  // provides proxy configuration. crbug/241775
+  base::DictionaryValue proxy_config_;
   // IPConfig properties.
   // Note: These do not correspond to actual Shill.Service properties
   // but are derived from the service's corresponding IPConfig object.