Center the focus of the text input in magnifier screen.

chrome/common/pref_names.h

 // 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.
 
 // Constants for the names of various preferences, for easier changing.
 
 #ifndef CHROME_COMMON_PREF_NAMES_H_
 #define CHROME_COMMON_PREF_NAMES_H_
 
 #include <stddef.h>
@@ skipping 192 matching lines @@
 extern const char kLanguageRemapAltKeyTo[];
 extern const char kLanguageRemapDiamondKeyTo[];
 extern const char kLanguageSendFunctionKeys[];
 extern const char kLanguageXkbAutoRepeatEnabled[];
 extern const char kLanguageXkbAutoRepeatDelay[];
 extern const char kLanguageXkbAutoRepeatInterval[];
 extern const char kAccessibilityLargeCursorEnabled[];
 extern const char kAccessibilityStickyKeysEnabled[];
 extern const char kAccessibilitySpokenFeedbackEnabled[];
 extern const char kAccessibilityHighContrastEnabled[];
+extern const char kAccessibilityScreenMagnifierCenterFocus[];
 extern const char kAccessibilityScreenMagnifierEnabled[];
 extern const char kAccessibilityScreenMagnifierType[];
 extern const char kAccessibilityScreenMagnifierScale[];
 extern const char kAccessibilityVirtualKeyboardEnabled[];
 extern const char kAccessibilityAutoclickEnabled[];
 extern const char kAccessibilityAutoclickDelayMs[];
 extern const char kShouldAlwaysShowAccessibilityMenu[];
 extern const char kLabsAdvancedFilesystemEnabled[];
 extern const char kLabsMediaplayerEnabled[];
 extern const char kEnableAutoScreenLock[];
@@ skipping 604 matching lines @@
 
 extern const char kRegisteredSupervisedUserWhitelists[];
 
 #if defined(ENABLE_EXTENSIONS)
 extern const char kAnimationPolicy[];
 #endif
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_