Remove RendererAccessibilityFocusOnly.

content/browser/accessibility/accessibility_mode_helper.cc

 // Copyright 2014 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 "base/logging.h"
 #include "content/browser/accessibility/accessibility_mode_helper.h"
 
 namespace content {
 
 namespace {
 
 AccessibilityMode CastToAccessibilityMode(unsigned int int_mode) {
   AccessibilityMode mode = static_cast<AccessibilityMode>(int_mode);
   switch (mode) {
   case AccessibilityModeOff:
   case AccessibilityModeComplete:
-  case AccessibilityModeEditableTextOnly:
   case AccessibilityModeTreeOnly:
     return mode;
   }
   DCHECK(false) << "Could not convert to AccessibilityMode: " << int_mode;
   return AccessibilityModeOff;
 }
 
 }  // namespace
 
 AccessibilityMode GetBaseAccessibilityMode() {
   AccessibilityMode accessibility_mode = AccessibilityModeOff;
   return accessibility_mode;
 }
 
 AccessibilityMode AddAccessibilityModeTo(AccessibilityMode to,
                                          AccessibilityMode mode_to_add) {
   return CastToAccessibilityMode(to | mode_to_add);
 }
 
 AccessibilityMode RemoveAccessibilityModeFrom(
     AccessibilityMode from,
     AccessibilityMode mode_to_remove) {
   unsigned int new_mode = from ^ (mode_to_remove & from);
   return CastToAccessibilityMode(new_mode);
 }
 
 }  // namespace content