Move the rest of the renderer->browser messages that belong in content. Also do a bunch of cleanup:

chrome/browser/importer/importer_messages.h

 // Copyright (c) 2011 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.
 
 // Multiply-included message file, no traditonal include guard.
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/values.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/importer/importer_data_types.h"
 #include "chrome/browser/importer/profile_writer.h"
 #include "chrome/browser/search_engines/template_url.h"
-#include "chrome/common/common_param_traits.h"
 #include "content/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "webkit/glue/password_form.h"
 
 #ifndef CHROME_BROWSER_IMPORTER_IMPORTER_MESSAGES_H_
 #define CHROME_BROWSER_IMPORTER_IMPORTER_MESSAGES_H_
 
 namespace IPC {
 
@@ skipping 402 matching lines @@
                      std::vector<history::ImportedFaviconUsage> )
 
 IPC_MESSAGE_CONTROL1(ProfileImportProcessHostMsg_NotifyPasswordFormReady,
                      webkit_glue::PasswordForm )
 
 IPC_MESSAGE_CONTROL3(ProfileImportProcessHostMsg_NotifyKeywordsReady,
                      std::vector<TemplateURL>,
                      int,  /* default keyword index */
                      bool  /* unique on host and path */)