Center the focus of the text input in magnifier screen.

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 <vector>
 
 #include "ash/autoclick/autoclick_controller.h"
 #include "ash/shell.h"
@@ skipping 125 matching lines @@
       prefs::kAccessibilityLargeCursorEnabled,
       false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(prefs::kAccessibilitySpokenFeedbackEnabled,
                                 false);
   registry->RegisterBooleanPref(
       prefs::kAccessibilityHighContrastEnabled,
       false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(
-      prefs::kAccessibilityScreenMagnifierEnabled,
-      false,
+      prefs::kAccessibilityScreenMagnifierCenterFocus,
+      true,
+      user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
+  registry->RegisterBooleanPref(
+      prefs::kAccessibilityScreenMagnifierEnabled, false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterIntegerPref(
       prefs::kAccessibilityScreenMagnifierType,
       ui::kDefaultMagnifierType,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterDoublePref(prefs::kAccessibilityScreenMagnifierScale,
                                std::numeric_limits<double>::min());
   registry->RegisterBooleanPref(
       prefs::kAccessibilityAutoclickEnabled,
       false,
@@ skipping 526 matching lines @@
   touch_hud_projection_enabled_.SetValue(enabled);
 }
 
 void Preferences::ActiveUserChanged(const user_manager::User* active_user) {
   if (active_user != user_)
     return;
   ApplyPreferences(REASON_ACTIVE_USER_CHANGED, "");
 }
 
 }  // namespace chromeos