Add media file validation to utility process

chrome/utility/chrome_content_utility_client.h

 // 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.
 
 #ifndef CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
 #define CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_vector.h"
 #include "base/platform_file.h"
@@ skipping 63 matching lines @@
       int render_dpi,
       bool autorotate,
       const std::vector<printing::PageRange>& page_ranges,
       int* highest_rendered_page_number,
       double* scale_factor);
 #endif   // defined(OS_WIN)
 
   void OnGetPrinterCapsAndDefaults(const std::string& printer_name);
   void OnStartupPing();
   void OnAnalyzeZipFileForDownloadProtection(
-      IPC::PlatformFileForTransit zip_file);
+      const IPC::PlatformFileForTransit& zip_file);
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+  void OnCheckMediaFile(int64 milliseconds_of_decoding,
+                        const IPC::PlatformFileForTransit& media_file);
+#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 #if defined(OS_WIN)
   void OnParseITunesPrefXml(const std::string& itunes_xml_data);
 #endif  // defined(OS_WIN)
 
 #if defined(OS_WIN) || defined(OS_MACOSX)
   void OnParseITunesLibraryXmlFile(
-      IPC::PlatformFileForTransit itunes_library_file);
+      const IPC::PlatformFileForTransit& itunes_library_file);
 
   void OnParsePicasaPMPDatabase(
       const picasa::AlbumTableFilesForTransit& album_table_files);
 
   void OnIndexPicasaAlbumsContents(
       const picasa::AlbumUIDSet& album_uids,
       const std::vector<picasa::FolderINIContents>& folders_inis);
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
   typedef ScopedVector<UtilityMessageHandler> Handlers;
   Handlers handlers_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentUtilityClient);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_UTILITY_CHROME_CONTENT_UTILITY_CLIENT_H_