PART1: Initiated the SignedSettings refactoring.

chrome/browser/automation/testing_automation_provider_chromeos.cc

Index: chrome/browser/automation/testing_automation_provider_chromeos.cc
diff --git a/chrome/browser/automation/testing_automation_provider_chromeos.cc b/chrome/browser/automation/testing_automation_provider_chromeos.cc
index 373a20b9c786d6ab129c74536a071ac793669156..2cae4122b7dbf674249e8d025cb7d79720733406 100644
--- a/chrome/browser/automation/testing_automation_provider_chromeos.cc
+++ b/chrome/browser/automation/testing_automation_provider_chromeos.cc
@@ -68,27 +68,12 @@ DictionaryValue* GetNetworkInfoDict(const chromeos::Network* network) {
   return item;
 }
 
-Value* GetProxySetting(const std::string& setting_name) {
+const Value* GetProxySetting(const std::string& setting_name) {
   chromeos::ProxyCrosSettingsProvider settings_provider;
   std::string setting_path = "cros.session.proxy.";
   setting_path.append(setting_name);
 
-  if (setting_name == "ignorelist") {
-    Value* value;
-    if (settings_provider.Get(setting_path, &value))
-      return value;
-  } else {
-    Value* setting;
-    if (settings_provider.Get(setting_path, &setting)) {
-      DictionaryValue* setting_dict = static_cast<DictionaryValue*>(setting);
-      Value* value;
-      bool found = setting_dict->Remove("value", &value);
-      delete setting;
-      if (found)
-        return value;
-    }
-  }
-  return NULL;
+  return settings_provider.Get(setting_path);
 }
 
 const char* UpdateStatusToString(chromeos::UpdateStatusOperation status) {
@@ -528,9 +513,9 @@ void TestingAutomationProvider::GetProxySettings(DictionaryValue* args,
   chromeos::ProxyCrosSettingsProvider settings_provider;
 
   for (size_t i = 0; i < arraysize(settings); ++i) {
-    Value* setting = GetProxySetting(settings[i]);
+    const Value* setting = GetProxySetting(settings[i]);
     if (setting)
-      return_value->Set(settings[i], setting);
+      return_value->Set(settings[i], setting->DeepCopy());
   }
 
   AutomationJSONReply(this, reply_message).SendSuccess(return_value.get());