Mac: Enable "Check Spelling While Typing" in Edit menu...

chrome/common/render_messages_internal.h

 // Copyright (c) 2010 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 <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
@@ skipping 2611 matching lines @@
 // to ViewMsg_ScriptEvalRequest. The result has the value returned by the
 // script as it's only element, one of Null, Boolean, Integer, Real, Date, or
 // String.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_ScriptEvalResponse,
                     int  /* id */,
                     ListValue  /* result */)
 
 // Updates the content restrictions, i.e. to disable print/copy.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateContentRestrictions,
                     int /* restrictions */)
+
+// Message sent from renderer to the browser to update the state of a command.
+// The |state| parameter specifies the unchecked, checked, and mixed state of
+// the command.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_CommandStateChanged,
+                    std::string /* command_name */,
+                    bool /* is_enabled */,
+                    int /* checked_state */)