Convert utility process ParseMediaMetadata blob reading IPC to mojo

chrome/common/extensions/chrome_utility_extensions_messages.h

 // Copyright 2014 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 <stdint.h>
 
 #include <string>
 #include <vector>
@@ skipping 67 matching lines @@
 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParsePicasaPMPDatabase,
                      picasa::AlbumTableFilesForTransit /* album_table_files */)
 
 // Tells the utility process to index the Picasa user-created Album contents
 // by parsing all the INI files in Picasa Folders.
 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_IndexPicasaAlbumsContents,
                      picasa::AlbumUIDSet /* album_uids */,
                      std::vector<picasa::FolderINIContents> /* folders_inis */)
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
-IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RequestBlobBytes_Finished,
-                     int64_t /* request_id */,
-                     std::string /* bytes */)
-
 // Requests that the utility process write the contents of the source file to
 // the removable drive listed in the target file. The target will be restricted
 // to removable drives by the utility process.
 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_ImageWriter_Write,
                      base::FilePath /* source file */,
                      base::FilePath /* target file */)
 
 // Requests that the utility process verify that the contents of the source file
 // was written to the target. As above the target will be restricted to
 // removable drives by the utility process.
@@ skipping 28 matching lines @@
                      bool /* parse_success */,
                      std::vector<picasa::AlbumInfo> /* albums */,
                      std::vector<picasa::AlbumInfo> /* folders */)
 
 // Reply after indexing the Picasa user-created Album contents by parsing all
 // the INI files in Picasa Folders.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_IndexPicasaAlbumsContents_Finished,
                      picasa::AlbumImagesMap /* albums_images */)
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
-IPC_MESSAGE_CONTROL3(ChromeUtilityHostMsg_RequestBlobBytes,
-                     int64_t /* request_id */,
-                     int64_t /* start_byte */,
-                     int64_t /* length */)
-
 // Reply when a write or verify operation succeeds.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_ImageWriter_Succeeded)
 
 // Reply when a write or verify operation has been fully cancelled.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_ImageWriter_Cancelled)
 
 // Reply when a write or verify operation fails to complete.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ImageWriter_Failed,
                      std::string /* message */)
 
 // Periodic status update about the progress of an operation.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ImageWriter_Progress,
                      int64_t /* number of bytes processed */)