Remove virtual keyboard support.

chrome/browser/chromeos/preferences.cc

 // 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.
 
 #include "chrome/browser/chromeos/preferences.h"
 
 #include "base/chromeos/chromeos_version.h"
 #include "base/command_line.h"
 #include "base/i18n/time_formatting.h"
 #include "base/metrics/histogram.h"
@@ skipping 216 matching lines @@
   prefs->RegisterBooleanPref(prefs::kLanguageXkbAutoRepeatEnabled,
                              true,
                              PrefService::UNSYNCABLE_PREF);
   prefs->RegisterIntegerPref(prefs::kLanguageXkbAutoRepeatDelay,
                              language_prefs::kXkbAutoRepeatDelayInMs,
                              PrefService::UNSYNCABLE_PREF);
   prefs->RegisterIntegerPref(prefs::kLanguageXkbAutoRepeatInterval,
                              language_prefs::kXkbAutoRepeatIntervalInMs,
                              PrefService::UNSYNCABLE_PREF);
 
-  prefs->RegisterDictionaryPref(prefs::kLanguagePreferredVirtualKeyboard,
-                                PrefService::SYNCABLE_PREF);
-
   // Screen lock default to off.
   prefs->RegisterBooleanPref(prefs::kEnableScreenLock,
                              false,
                              PrefService::SYNCABLE_PREF);
 
   // Mobile plan notifications default to on.
   prefs->RegisterBooleanPref(prefs::kShowPlanNotifications,
                              true,
                              PrefService::SYNCABLE_PREF);
 
@@ skipping 101 matching lines @@
 
   enable_drm_.Init(prefs::kEnableCrosDRM, prefs, this);
 }
 
 void Preferences::Init(PrefService* prefs) {
   InitUserPrefs(prefs);
 
   // Initialize preferences to currently saved state.
   NotifyPrefChanged(NULL);
 
-  // Initialize virtual keyboard settings to currently saved state.
-  UpdateVirturalKeyboardPreference(prefs);
-
   // If a guest is logged in, initialize the prefs as if this is the first
   // login.
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession)) {
     LoginUtils::Get()->SetFirstLoginPrefs(prefs);
   }
 }
 
 void Preferences::InitUserPrefsForTesting(PrefService* prefs) {
   InitUserPrefs(prefs);
 }
@@ skipping 329 matching lines @@
     return;
 
   input_method::AutoRepeatRate rate;
   rate.initial_delay_in_ms = xkb_auto_repeat_delay_pref_.GetValue();
   rate.repeat_interval_in_ms = xkb_auto_repeat_interval_pref_.GetValue();
   DCHECK(rate.initial_delay_in_ms > 0);
   DCHECK(rate.repeat_interval_in_ms > 0);
   input_method::XKeyboard::SetAutoRepeatRate(rate);
 }
 
-// static
-void Preferences::UpdateVirturalKeyboardPreference(PrefService* prefs) {
-  const DictionaryValue* virtual_keyboard_pref =
-      prefs->GetDictionary(prefs::kLanguagePreferredVirtualKeyboard);
-  DCHECK(virtual_keyboard_pref);
-
-  // TODO(yusukes): Clear all virtual keyboard preferences here.
-  std::string url;
-  std::vector<std::string> layouts_to_remove;
-  for (DictionaryValue::key_iterator iter = virtual_keyboard_pref->begin_keys();
-       iter != virtual_keyboard_pref->end_keys();
-       ++iter) {
-    const std::string& layout_id = *iter;  // e.g. "us", "handwriting-vk"
-    if (!virtual_keyboard_pref->GetString(layout_id, &url))
-      continue;
-    // TODO(yusukes): add the virtual keyboard preferences here.
-  }
-
-  // Remove invalid prefs.
-  DictionaryPrefUpdate updater(prefs, prefs::kLanguagePreferredVirtualKeyboard);
-  DictionaryValue* pref_value = updater.Get();
-  for (size_t i = 0; i < layouts_to_remove.size(); ++i) {
-    pref_value->RemoveWithoutPathExpansion(layouts_to_remove[i], NULL);
-  }
-}
-
 }  // namespace chromeos