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 20 matching lines @@
 class UtilityMessageHandler;
 
 class ChromeContentUtilityClient : public content::ContentUtilityClient {
  public:
   ChromeContentUtilityClient();
   virtual ~ChromeContentUtilityClient();
 
   virtual void UtilityThreadStarted() OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
-  static void PreSandboxStartup();
+  static void PreSandboxStartup(const base::FilePath& media_path);
 
  private:
   // IPC message handlers.
   void OnUnpackExtension(const base::FilePath& extension_path,
                          const std::string& extension_id,
                          int location, int creation_flags);
   void OnUnpackWebResource(const std::string& resource_data);
   void OnParseUpdateManifest(const std::string& xml);
   void OnDecodeImage(const std::vector<unsigned char>& encoded_data);
   void OnDecodeImageBase64(const std::string& encoded_data);
@@ skipping 23 matching lines @@
       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);
+  void OnCheckMediaFile(int64 milliseconds_of_decoding,
+                        IPC::PlatformFileForTransit media_file);
 
 #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);
 
   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_