Removing unused roles(7) from chromium.

content/browser/accessibility/browser_accessibility_win.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 "content/browser/accessibility/browser_accessibility_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include "base/strings/string_number_conversions.h"
@@ skipping 3798 matching lines @@
       ia_role_ = ROLE_SYSTEM_OUTLINE;
       break;
     case ui::AX_ROLE_TREE_ITEM:
       ia_role_ = ROLE_SYSTEM_OUTLINEITEM;
       break;
     case ui::AX_ROLE_WINDOW:
       ia_role_ = ROLE_SYSTEM_WINDOW;
       break;
 
     // TODO(dmazzoni): figure out the proper MSAA role for all of these.
-    case ui::AX_ROLE_BROWSER:
     case ui::AX_ROLE_DIRECTORY:
-    case ui::AX_ROLE_DRAWER:
-    case ui::AX_ROLE_HELP_TAG:
     case ui::AX_ROLE_IGNORED:
     case ui::AX_ROLE_LOG:
-    case ui::AX_ROLE_MATTE:
     case ui::AX_ROLE_NONE:
     case ui::AX_ROLE_PRESENTATIONAL:
-    case ui::AX_ROLE_RULER_MARKER:
-    case ui::AX_ROLE_SHEET:
     case ui::AX_ROLE_SLIDER_THUMB:
-    case ui::AX_ROLE_SYSTEM_WIDE:
-    case ui::AX_ROLE_VALUE_INDICATOR:
     default:
       ia_role_ = ROLE_SYSTEM_CLIENT;
       break;
   }
 
   // Compute the final value of READONLY for MSAA.
   //
   // We always set the READONLY state for elements that have the
   // aria-readonly attribute and for a few roles (in the switch above).
   // We clear the READONLY state on focusable controls and on a document.
@@ skipping 10 matching lines @@
   // The role should always be set.
   DCHECK(!role_name_.empty() || ia_role_);
 
   // If we didn't explicitly set the IAccessible2 role, make it the same
   // as the MSAA role.
   if (!ia2_role_)
     ia2_role_ = ia_role_;
 }
 
 }  // namespace content