Get rid of AX_LINE_BREAKS attribute to improve performance.

chrome/browser/accessibility/accessibility_extension_api.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/accessibility/accessibility_extension_api.h"
 
 #include <stddef.h>
 
 #include "base/json/json_writer.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "build/build_config.h"
-#include "chrome/browser/accessibility/accessibility_extension_api.h"

[dmazzoni, 2016/09/13 17:29:38]

Don't remove this include

 #include "chrome/browser/extensions/api/tabs/tabs_constants.h"
 #include "chrome/browser/extensions/chrome_extension_function_details.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/accessibility_private.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "components/infobars/core/infobar.h"
@@ skipping 98 matching lines @@
   } else {
     manager->SetKeyboardListenerExtensionId(std::string(),
                                             details.GetProfile());
     manager->set_keyboard_listener_capture(false);
   }
   return RespondNow(NoArguments());
 #endif  // defined OS_CHROMEOS
 
   return RespondNow(Error(kErrorNotSupported));
 }