Revert "Options2: Pull the trigger."

chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.cc

Index: chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.cc
diff --git a/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.cc b/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.cc
deleted file mode 100644
index 7018e021a085ecd80d6bcfcf093b060cf0afeda8..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.cc
+++ /dev/null
@@ -1,268 +0,0 @@
-// Copyright (c) 2011 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.
-
-#include "chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/cros_settings.h"
-#include "chrome/browser/chromeos/login/user_manager.h"
-#include "chrome/browser/chromeos/proxy_config_service_impl.h"
-#include "chrome/browser/chromeos/proxy_cros_settings_parser.h"
-#include "chrome/browser/policy/browser_policy_connector.h"
-#include "chrome/browser/prefs/pref_set_observer.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/webui/options2/chromeos/accounts_options_handler.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/pref_names.h"
-#include "content/browser/user_metrics.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
-
-namespace chromeos {
-
-namespace {
-
-// Create a settings value with "managed" and "disabled" property.
-// "managed" property is true if the setting is managed by administrator.
-// "disabled" property is true if the UI for the setting should be disabled.
-base::Value* CreateSettingsValue(base::Value *value,
-                                 bool managed,
-                                 bool disabled) {
-  DictionaryValue* dict = new DictionaryValue;
-  dict->Set("value", value);
-  dict->Set("managed", base::Value::CreateBooleanValue(managed));
-  dict->Set("disabled", base::Value::CreateBooleanValue(disabled));
-  return dict;
-}
-
-// Returns true if |username| is the logged-in owner.
-bool IsLoggedInOwner(const std::string& username) {
-  UserManager* user_manager = UserManager::Get();
-  return user_manager->current_user_is_owner() &&
-      user_manager->logged_in_user().email() == username;
-}
-
-// Creates a user info dictionary to be stored in the |ListValue| that is
-// passed to Javascript for the |kAccountsPrefUsers| preference.
-base::DictionaryValue* CreateUserInfo(const std::string& username,
-                                      const std::string& display_email,
-                                      const std::string& display_name) {
-  base::DictionaryValue* user_dict = new DictionaryValue;
-  user_dict->SetString("username", username);
-  user_dict->SetString("name", display_email);
-  user_dict->SetString("email", display_name);
-  user_dict->SetBoolean("owner", IsLoggedInOwner(username));
-  return user_dict;
-}
-
-// This function decorates the bare list of emails with some more information
-// needed by the UI to properly display the Accounts page.
-base::Value* CreateUsersWhitelist(const base::Value *pref_value) {
-  const base::ListValue* list_value =
-      static_cast<const base::ListValue*>(pref_value);
-  base::ListValue* user_list = new base::ListValue();
-  UserManager* user_manager = UserManager::Get();
-
-  for (base::ListValue::const_iterator i = list_value->begin();
-       i != list_value->end(); ++i) {
-    std::string email;
-    if ((*i)->GetAsString(&email)) {
-      // Translate email to the display email.
-      std::string display_email = user_manager->GetUserDisplayEmail(email);
-      // TODO(ivankr): fetch display name for existing users.
-      user_list->Append(CreateUserInfo(email, display_email, std::string()));
-    }
-  }
-  return user_list;
-}
-
-}  // namespace
-
-CoreChromeOSOptionsHandler::CoreChromeOSOptionsHandler()
-    : handling_change_(false),
-      pointer_factory_(this) {
-}
-
-CoreChromeOSOptionsHandler::~CoreChromeOSOptionsHandler() {
-  PrefProxyConfigTracker* proxy_tracker =
-      Profile::FromWebUI(web_ui_)->GetProxyConfigTracker();
-  proxy_tracker->RemoveNotificationCallback(
-      base::Bind(&CoreChromeOSOptionsHandler::NotifyProxyPrefsChanged,
-                 pointer_factory_.GetWeakPtr()));
-}
-
-void CoreChromeOSOptionsHandler::Initialize() {
-  proxy_prefs_.reset(PrefSetObserver::CreateProxyPrefSetObserver(
-    Profile::FromWebUI(web_ui_)->GetPrefs(), this));
-  // Observe the chromeos::ProxyConfigServiceImpl for changes from the UI.
-  PrefProxyConfigTracker* proxy_tracker =
-      Profile::FromWebUI(web_ui_)->GetProxyConfigTracker();
-  proxy_tracker->AddNotificationCallback(
-      base::Bind(&CoreChromeOSOptionsHandler::NotifyProxyPrefsChanged,
-                 pointer_factory_.GetWeakPtr()));
-}
-
-base::Value* CoreChromeOSOptionsHandler::FetchPref(
-    const std::string& pref_name) {
-  if (proxy_cros_settings_parser::IsProxyPref(pref_name)) {
-    base::Value *value = NULL;
-    proxy_cros_settings_parser::GetProxyPrefValue(Profile::FromWebUI(web_ui_),
-                                                  pref_name, &value);
-    if (!value)
-      return base::Value::CreateNullValue();
-
-    return value;
-  }
-  if (!CrosSettings::IsCrosSettings(pref_name)) {
-    // Specially handle kUseSharedProxies because kProxy controls it to
-    // determine if it's managed by policy/extension.
-    if (pref_name == prefs::kUseSharedProxies) {
-      PrefService* pref_service = Profile::FromWebUI(web_ui_)->GetPrefs();
-      const PrefService::Preference* pref =
-          pref_service->FindPreference(prefs::kUseSharedProxies);
-      if (!pref)
-        return base::Value::CreateNullValue();
-      const PrefService::Preference* controlling_pref =
-          pref_service->FindPreference(prefs::kProxy);
-      return CreateValueForPref(pref, controlling_pref);
-    }
-    return ::CoreOptionsHandler::FetchPref(pref_name);
-  }
-
-  const base::Value* pref_value = CrosSettings::Get()->GetPref(pref_name);
-  if (!pref_value)
-    return base::Value::CreateNullValue();
-
-  // Lists don't get the standard pref decoration.
-  if (pref_value->GetType() == base::Value::TYPE_LIST) {
-    if (pref_name == kAccountsPrefUsers)
-      return CreateUsersWhitelist(pref_value);
-    // Return a copy because the UI will take ownership of this object.
-    return pref_value->DeepCopy();
-  }
-  // All other prefs are decorated the same way.
-  return CreateSettingsValue(
-      pref_value->DeepCopy(),  // The copy will be owned by the dictionary.
-      g_browser_process->browser_policy_connector()->IsEnterpriseManaged(),
-      !UserManager::Get()->current_user_is_owner());
-}
-
-void CoreChromeOSOptionsHandler::ObservePref(const std::string& pref_name) {
-  if (proxy_cros_settings_parser::IsProxyPref(pref_name)) {
-    // We observe those all the time.
-    return;
-  }
-  if (!CrosSettings::IsCrosSettings(pref_name))
-    return ::CoreOptionsHandler::ObservePref(pref_name);
-  CrosSettings::Get()->AddSettingsObserver(pref_name.c_str(), this);
-}
-
-void CoreChromeOSOptionsHandler::SetPref(const std::string& pref_name,
-                                         const base::Value* value,
-                                         const std::string& metric) {
-  if (proxy_cros_settings_parser::IsProxyPref(pref_name)) {
-    proxy_cros_settings_parser::SetProxyPrefValue(Profile::FromWebUI(web_ui_),
-                                                  pref_name, value);
-    ProcessUserMetric(value, metric);
-    return;
-  }
-  if (!CrosSettings::IsCrosSettings(pref_name))
-    return ::CoreOptionsHandler::SetPref(pref_name, value, metric);
-  handling_change_ = true;
-  CrosSettings::Get()->Set(pref_name, *value);
-  handling_change_ = false;
-
-  ProcessUserMetric(value, metric);
-}
-
-void CoreChromeOSOptionsHandler::StopObservingPref(const std::string& path) {
-  if (proxy_cros_settings_parser::IsProxyPref(path))
-    return;  // We unregister those in the destructor.
-  // Unregister this instance from observing prefs of chrome os settings.
-  if (CrosSettings::IsCrosSettings(path))
-    CrosSettings::Get()->RemoveSettingsObserver(path.c_str(), this);
-  else  // Call base class to handle regular preferences.
-    ::CoreOptionsHandler::StopObservingPref(path);
-}
-
-void CoreChromeOSOptionsHandler::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  // Ignore the notification if this instance had caused it.
-  if (handling_change_)
-    return;
-  if (type == chrome::NOTIFICATION_SYSTEM_SETTING_CHANGED) {
-    NotifySettingsChanged(content::Details<std::string>(details).ptr());
-    return;
-  }
-  // Special handling for preferences kUseSharedProxies and kProxy, the latter
-  // controls the former and decides if it's managed by policy/extension.
-  if (type == chrome::NOTIFICATION_PREF_CHANGED) {
-    const PrefService* pref_service = Profile::FromWebUI(web_ui_)->GetPrefs();
-    std::string* pref_name = content::Details<std::string>(details).ptr();
-    if (content::Source<PrefService>(source).ptr() == pref_service &&
-        (proxy_prefs_->IsObserved(*pref_name) ||
-         *pref_name == prefs::kUseSharedProxies)) {
-      NotifyPrefChanged(prefs::kUseSharedProxies, prefs::kProxy);
-      return;
-    }
-  }
-  ::CoreOptionsHandler::Observe(type, source, details);
-}
-
-void CoreChromeOSOptionsHandler::NotifySettingsChanged(
-    const std::string* setting_name) {
-  DCHECK(web_ui_);
-  DCHECK(CrosSettings::Get()->IsCrosSettings(*setting_name));
-  const base::Value* value = FetchPref(*setting_name);
-  if (!value) {
-    NOTREACHED();
-    return;
-  }
-  std::pair<PreferenceCallbackMap::const_iterator,
-            PreferenceCallbackMap::const_iterator> range =
-      pref_callback_map_.equal_range(*setting_name);
-  for (PreferenceCallbackMap::const_iterator iter = range.first;
-      iter != range.second; ++iter) {
-    const std::wstring& callback_function = iter->second;
-    ListValue result_value;
-    result_value.Append(base::Value::CreateStringValue(setting_name->c_str()));
-    result_value.Append(value->DeepCopy());
-    web_ui_->CallJavascriptFunction(WideToASCII(callback_function),
-                                    result_value);
-  }
-  if (value)
-    delete value;
-}
-
-void CoreChromeOSOptionsHandler::NotifyProxyPrefsChanged() {
-  DCHECK(web_ui_);
-  for (size_t i = 0; i < kProxySettingsCount; ++i) {
-    base::Value* value = NULL;
-    proxy_cros_settings_parser::GetProxyPrefValue(
-        Profile::FromWebUI(web_ui_), kProxySettings[i], &value);
-    DCHECK(value);
-    PreferenceCallbackMap::const_iterator iter =
-        pref_callback_map_.find(kProxySettings[i]);
-    for (; iter != pref_callback_map_.end(); ++iter) {
-      const std::wstring& callback_function = iter->second;
-      ListValue result_value;
-      result_value.Append(base::Value::CreateStringValue(kProxySettings[i]));
-      result_value.Append(value->DeepCopy());
-      web_ui_->CallJavascriptFunction(WideToASCII(callback_function),
-                                      result_value);
-    }
-    if (value)
-      delete value;
-  }
-}
-
-}  // namespace chromeos