Convert the utility process image decoder into a Mojo service.

chrome/common/chrome_utility_messages.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.
 
 // Multiply-included message file, so no include guard.
 
 #if defined(OS_WIN)
 #include <Windows.h>
 #endif  // defined(OS_WIN)
 
 #include <string>
 #include <tuple>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/strings/string16.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
-#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/ipc/skia/gfx_skia_param_traits.h"
 
 #if defined(FULL_SAFE_BROWSING)
 #include "chrome/common/safe_browsing/ipc_protobuf_message_macros.h"
 #include "chrome/common/safe_browsing/protobuf_message_param_traits.h"
 #include "chrome/common/safe_browsing/zip_analyzer_results.h"
 #endif
 
 // Singly-included section for typedefs.
@@ skipping 102 matching lines @@
   IPC_STRUCT_MEMBER(base::FilePath, suggested_filename)
   IPC_STRUCT_MEMBER(base::FilePath, initial_directory)
   IPC_STRUCT_MEMBER(base::string16, default_extension)
 IPC_STRUCT_END()
 #endif  // OS_WIN
 
 //------------------------------------------------------------------------------
 // Utility process messages:
 // These are messages from the browser to the utility process.
 
-// Tell the utility process to decode the given image data.
-IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_DecodeImage,
-                     std::vector<unsigned char> /* encoded image contents */,
-                     bool /* shrink image if needed for IPC msg limit */,
-                     int /* delegate id */)
-
-#if defined(OS_CHROMEOS)
-// Tell the utility process to decode the given JPEG image data with a robust
-// libjpeg codec.
-IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RobustJPEGDecodeImage,
-                     std::vector<unsigned char> /* encoded image contents*/,
-                     int /* delegate id */)
-// Tell the utility process to decode the given PNG image data with a robust
-// libpng codec.
-IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RobustPNGDecodeImage,
-                     std::vector<unsigned char> /* encoded image contents*/,
-                     int /* delegate id */)
-#endif  // defined(OS_CHROMEOS)
-
 // Tell the utility process to patch the given |input_file| using |patch_file|
 // and place the output in |output_file|. The patch should use the bsdiff
 // algorithm (Courgette's version).
 IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_PatchFileBsdiff,
                      base::FilePath /* input_file */,
                      base::FilePath /* patch_file */,
                      base::FilePath /* output_file */)
 
 // Tell the utility process to patch the given |input_file| using |patch_file|
 // and place the output in |output_file|. The patch should use the Courgette
@@ skipping 62 matching lines @@
 //------------------------------------------------------------------------------
 // Utility process host messages:
 // These are messages from the utility process to the browser.
 
 // Reply when the utility process has failed while unpacking and parsing a
 // web resource.  |error_message| is a user-readable explanation of what
 // went wrong.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnpackWebResource_Failed,
                      std::string /* error_message, if any */)
 
-// Reply when the utility process has succeeded in decoding the image.
-IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_DecodeImage_Succeeded,
-                     SkBitmap /* decoded image */,
-                     int /* delegate id */)
-
-// Reply when an error occurred decoding the image.
-IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_DecodeImage_Failed,
-                     int /* delegate id */)
-
 // Reply when a file has been patched.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_PatchFile_Finished, int /* result */)
 
 #if defined(OS_CHROMEOS)
 // Reply when the utility process has succeeded in creating the zip file.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_CreateZipFile_Succeeded)
 
 // Reply when an error occured in creating the zip file.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_CreateZipFile_Failed)
 #endif  // defined(OS_CHROMEOS)
@@ skipping 20 matching lines @@
 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetOpenFileName_Result,
                      base::FilePath /* directory */,
                      std::vector<base::FilePath> /* filenames */)
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_GetSaveFileName_Failed)
 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetSaveFileName_Result,
                      base::FilePath /* path */,
                      int /* one_based_filter_index  */)
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_BuildDirectWriteFontCache,
                      base::FilePath /* cache file path */)
 #endif  // defined(OS_WIN)