Revert of Revert of Migrate accessibility from RenderView to RenderFrame.

content/common/frame_message_enums.h

 // 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.
 
 #ifndef CONTENT_COMMON_FRAME_MESSAGES_ENUMS_H_
 #define CONTENT_COMMON_FRAME_MESSAGES_ENUMS_H_
 
-#include "ipc/ipc_message_macros.h"
+#include "content/common/accessibility_mode_enums.h"
 
 struct FrameMsg_Navigate_Type {
  public:
   enum Value {
     // Reload the page.
     RELOAD,
 
     // Reload the page, ignoring any cache entries.
     RELOAD_IGNORING_CACHE,
 
@@ skipping 12 matching lines @@
 
     // Navigation type not categorized by the other types.
     NORMAL,
 
     // Last guard value, so we can use it for validity checks.
     NAVIGATE_TYPE_LAST = NORMAL,
   };
 };
 
 #endif  // CONTENT_COMMON_FRAME_MESSAGES_ENUMS_H_