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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_MODE_HELPER_H_
      6 #define CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_MODE_HELPER_H_
      7 
      8 #include "content/common/content_export.h"
      9 #include "content/common/view_message_enums.h"
     10 
     11 namespace content {
     12 
     13 // Adds the given accessibility mode constant to the given accessibility mode
     14 // bitmap.
     15 CONTENT_EXPORT AccessibilityMode
     16     AddAccessibilityModeTo(AccessibilityMode to, AccessibilityMode mode_to_add);
     17 
     18 // Removes the given accessibility mode constant from the given accessibility
     19 // mode bitmap, managing the bits that are shared with other modes such that a
     20 // bit will only be turned off when all modes that depend on it have been
     21 // removed.
     22 CONTENT_EXPORT AccessibilityMode
     23     RemoveAccessibilityModeFrom(AccessibilityMode to,
     24                                 AccessibilityMode mode_to_remove);
     25 
     26 } //  namespace content
     27 
     28 #endif  // CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_MODE_HELPER_H_
     29