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

chrome/common/utility_messages.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.
 
 // Multiply-included message file, so no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/platform_file.h"
 #include "base/values.h"
-#include "chrome/common/common_param_traits.h"
 #include "chrome/common/extensions/update_manifest.h"
 #include "content/common/common_param_traits.h"
 #include "content/common/indexed_db_key.h"
 #include "content/common/indexed_db_param_traits.h"
 #include "content/common/serialized_script_value.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "printing/backend/print_backend.h"
 #include "printing/page_range.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/rect.h"
 
 #define IPC_MESSAGE_START UtilityMsgStart
 
-// Singly-included secton, not yet converted
-#ifndef CHROME_COMMON_UTILITY_MESSAGES_H_
-#define CHROME_COMMON_UTILITY_MESSAGES_H_
+IPC_STRUCT_TRAITS_BEGIN(printing::PageRange)
+  IPC_STRUCT_TRAITS_MEMBER(from)
+  IPC_STRUCT_TRAITS_MEMBER(to)
+IPC_STRUCT_TRAITS_END()
 
-class FilePath;
-class IndexedDBKey;
-class SerializedScriptValue;
-class SkBitmap;
+IPC_STRUCT_TRAITS_BEGIN(printing::PrinterCapsAndDefaults)
+  IPC_STRUCT_TRAITS_MEMBER(printer_capabilities)
+  IPC_STRUCT_TRAITS_MEMBER(caps_mime_type)
+  IPC_STRUCT_TRAITS_MEMBER(printer_defaults)
+  IPC_STRUCT_TRAITS_MEMBER(defaults_mime_type)
+IPC_STRUCT_TRAITS_END()
 
-#endif  // CHROME_COMMON_UTILITY_MESSAGES_H_
-
-// Traits for UpdateManifest::Result.
 IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Result)
   IPC_STRUCT_TRAITS_MEMBER(extension_id)
   IPC_STRUCT_TRAITS_MEMBER(version)
   IPC_STRUCT_TRAITS_MEMBER(browser_min_version)
   IPC_STRUCT_TRAITS_MEMBER(package_hash)
   IPC_STRUCT_TRAITS_MEMBER(crx_url)
 IPC_STRUCT_TRAITS_END()
 
-// Traits for UpdateManifest::Results
 IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Results)
   IPC_STRUCT_TRAITS_MEMBER(list)
   IPC_STRUCT_TRAITS_MEMBER(daystart_elapsed_seconds)
 IPC_STRUCT_TRAITS_END()
 
 //------------------------------------------------------------------------------
 // Utility process messages:
 // These are messages from the browser to the utility process.
 // Tell the utility process to unpack the given extension file in its
 // directory and verify that it is valid.
@@ skipping 124 matching lines @@
 // capabilities and defaults.
 IPC_MESSAGE_CONTROL2(UtilityHostMsg_GetPrinterCapsAndDefaults_Succeeded,
                      std::string /* printer name */,
                      printing::PrinterCapsAndDefaults)
 
 // Reply when the utility process has failed to obtain the printer
 // capabilities and defaults.
 IPC_MESSAGE_CONTROL1(UtilityHostMsg_GetPrinterCapsAndDefaults_Failed,
                      std::string /* printer name */)