src/chrome/common/chrome_utility_messages.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Multiply-included message file, so no include guard.
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/files/file_path.h"
  12 #include "base/platform_file.h"
  13 #include "base/strings/string16.h"
  14 #include "base/tuple.h"
  15 #include "base/values.h"
  16 #include "chrome/common/extensions/update_manifest.h"
  17 #include "chrome/common/media_galleries/iphoto_library.h"
  18 #include "chrome/common/media_galleries/itunes_library.h"
  19 #include "chrome/common/media_galleries/picasa_types.h"
  20 #include "chrome/common/safe_browsing/zip_analyzer.h"
  21 #include "ipc/ipc_message_macros.h"
  22 #include "ipc/ipc_platform_file.h"
  23 #include "printing/backend/print_backend.h"
  24 #include "printing/page_range.h"
  25 #include "printing/pdf_render_settings.h"
  26 #include "third_party/skia/include/core/SkBitmap.h"
  27
  28 #define IPC_MESSAGE_START ChromeUtilityMsgStart
  29
  30 #ifndef CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
  31 #define CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
  32
  33 typedef std::vector<Tuple2<SkBitmap, base::FilePath> > DecodedImages;
  34
  35 #endif  // CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
  36
  37 IPC_STRUCT_TRAITS_BEGIN(printing::PageRange)
  38   IPC_STRUCT_TRAITS_MEMBER(from)
  39   IPC_STRUCT_TRAITS_MEMBER(to)
  40 IPC_STRUCT_TRAITS_END()
  41
  42 IPC_STRUCT_TRAITS_BEGIN(printing::PrinterCapsAndDefaults)
  43   IPC_STRUCT_TRAITS_MEMBER(printer_capabilities)
  44   IPC_STRUCT_TRAITS_MEMBER(caps_mime_type)
  45   IPC_STRUCT_TRAITS_MEMBER(printer_defaults)
  46   IPC_STRUCT_TRAITS_MEMBER(defaults_mime_type)
  47 IPC_STRUCT_TRAITS_END()
  48
  49 IPC_ENUM_TRAITS(printing::DuplexMode)
  50
  51 #if defined(OS_WIN)
  52 IPC_STRUCT_TRAITS_BEGIN(printing::PrinterSemanticCapsAndDefaults::Paper)
  53   IPC_STRUCT_TRAITS_MEMBER(name)
  54   IPC_STRUCT_TRAITS_MEMBER(size_um)
  55 IPC_STRUCT_TRAITS_END()
  56 #endif
  57
  58 IPC_STRUCT_TRAITS_BEGIN(printing::PrinterSemanticCapsAndDefaults)
  59   IPC_STRUCT_TRAITS_MEMBER(color_changeable)
  60   IPC_STRUCT_TRAITS_MEMBER(color_default)
  61 #if defined(USE_CUPS)
  62   IPC_STRUCT_TRAITS_MEMBER(color_model)
  63   IPC_STRUCT_TRAITS_MEMBER(bw_model)
  64 #endif
  65 #if defined(OS_WIN)
  66   IPC_STRUCT_TRAITS_MEMBER(collate_capable)
  67   IPC_STRUCT_TRAITS_MEMBER(collate_default)
  68   IPC_STRUCT_TRAITS_MEMBER(copies_capable)
  69   IPC_STRUCT_TRAITS_MEMBER(papers)
  70   IPC_STRUCT_TRAITS_MEMBER(default_paper)
  71   IPC_STRUCT_TRAITS_MEMBER(dpis)
  72   IPC_STRUCT_TRAITS_MEMBER(default_dpi)
  73 #endif
  74   IPC_STRUCT_TRAITS_MEMBER(duplex_capable)
  75   IPC_STRUCT_TRAITS_MEMBER(duplex_default)
  76 IPC_STRUCT_TRAITS_END()
  77
  78 IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Result)
  79   IPC_STRUCT_TRAITS_MEMBER(extension_id)
  80   IPC_STRUCT_TRAITS_MEMBER(version)
  81   IPC_STRUCT_TRAITS_MEMBER(browser_min_version)
  82   IPC_STRUCT_TRAITS_MEMBER(package_hash)
  83   IPC_STRUCT_TRAITS_MEMBER(crx_url)
  84 IPC_STRUCT_TRAITS_END()
  85
  86 IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Results)
  87   IPC_STRUCT_TRAITS_MEMBER(list)
  88   IPC_STRUCT_TRAITS_MEMBER(daystart_elapsed_seconds)
  89 IPC_STRUCT_TRAITS_END()
  90
  91 IPC_STRUCT_TRAITS_BEGIN(safe_browsing::zip_analyzer::Results)
  92   IPC_STRUCT_TRAITS_MEMBER(success)
  93   IPC_STRUCT_TRAITS_MEMBER(has_executable)
  94   IPC_STRUCT_TRAITS_MEMBER(has_archive)
  95 IPC_STRUCT_TRAITS_END()
  96
  97 #if defined(OS_MACOSX)
  98 IPC_STRUCT_TRAITS_BEGIN(iphoto::parser::Photo)
  99   IPC_STRUCT_TRAITS_MEMBER(id)
 100   IPC_STRUCT_TRAITS_MEMBER(location)
 101   IPC_STRUCT_TRAITS_MEMBER(original_location)
 102 IPC_STRUCT_TRAITS_END()
 103
 104 IPC_STRUCT_TRAITS_BEGIN(iphoto::parser::Library)
 105   IPC_STRUCT_TRAITS_MEMBER(albums)
 106   IPC_STRUCT_TRAITS_MEMBER(all_photos)
 107 IPC_STRUCT_TRAITS_END()
 108 #endif  // defined(OS_MACOSX)
 109
 110 #if defined(OS_WIN) || defined(OS_MACOSX)
 111 IPC_STRUCT_TRAITS_BEGIN(itunes::parser::Track)
 112   IPC_STRUCT_TRAITS_MEMBER(id)
 113   IPC_STRUCT_TRAITS_MEMBER(location)
 114 IPC_STRUCT_TRAITS_END()
 115
 116 IPC_STRUCT_TRAITS_BEGIN(picasa::AlbumInfo)
 117   IPC_STRUCT_TRAITS_MEMBER(name)
 118   IPC_STRUCT_TRAITS_MEMBER(timestamp)
 119   IPC_STRUCT_TRAITS_MEMBER(uid)
 120   IPC_STRUCT_TRAITS_MEMBER(path)
 121 IPC_STRUCT_TRAITS_END()
 122
 123 // These files are opened read-only. Please see the constructor for
 124 // picasa::AlbumTableFiles for details.
 125 IPC_STRUCT_TRAITS_BEGIN(picasa::AlbumTableFilesForTransit)
 126   IPC_STRUCT_TRAITS_MEMBER(indicator_file)
 127   IPC_STRUCT_TRAITS_MEMBER(category_file)
 128   IPC_STRUCT_TRAITS_MEMBER(date_file)
 129   IPC_STRUCT_TRAITS_MEMBER(filename_file)
 130   IPC_STRUCT_TRAITS_MEMBER(name_file)
 131   IPC_STRUCT_TRAITS_MEMBER(token_file)
 132   IPC_STRUCT_TRAITS_MEMBER(uid_file)
 133 IPC_STRUCT_TRAITS_END()
 134
 135 IPC_STRUCT_TRAITS_BEGIN(picasa::FolderINIContents)
 136   IPC_STRUCT_TRAITS_MEMBER(folder_path)
 137   IPC_STRUCT_TRAITS_MEMBER(ini_contents)
 138 IPC_STRUCT_TRAITS_END()
 139 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 140
 141 //------------------------------------------------------------------------------
 142 // Utility process messages:
 143 // These are messages from the browser to the utility process.
 144
 145 // Tell the utility process to unpack the given extension file in its
 146 // directory and verify that it is valid.
 147 IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_UnpackExtension,
 148                      base::FilePath /* extension_filename */,
 149                      std::string /* extension_id */,
 150                      int /* Manifest::Location */,
 151                      int /* InitFromValue flags */)
 152
 153 // Tell the utility process to parse the given JSON data and verify its
 154 // validity.
 155 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_UnpackWebResource,
 156                      std::string /* JSON data */)
 157
 158 // Tell the utility process to parse the given xml document.
 159 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParseUpdateManifest,
 160                      std::string /* xml document contents */)
 161
 162 // Tell the utility process to decode the given image data.
 163 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_DecodeImage,
 164                      std::vector<unsigned char>)  // encoded image contents
 165
 166 // Tell the utility process to decode the given image data, which is base64
 167 // encoded.
 168 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_DecodeImageBase64,
 169                      std::string)  // base64 encoded image contents
 170
 171 // Tell the utility process to render the given PDF into a metafile.
 172 // TODO(vitalybuka): switch to IPC::PlatformFileForTransit.
 173 IPC_MESSAGE_CONTROL4(ChromeUtilityMsg_RenderPDFPagesToMetafile,
 174                      base::PlatformFile,       // PDF file
 175                      base::FilePath,           // Location for output metafile
 176                      printing::PdfRenderSettings,  // PDF render settings
 177                      std::vector<printing::PageRange>)
 178
 179 // Tell the utility process to render the given PDF into a PWGRaster.
 180 IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_RenderPDFPagesToPWGRaster,
 181                      IPC::PlatformFileForTransit,  /* Input PDF file */
 182                      printing::PdfRenderSettings,  /* PDF render settings */
 183                      IPC::PlatformFileForTransit   /* Output PWG file */)
 184
 185 // Tell the utility process to decode the given JPEG image data with a robust
 186 // libjpeg codec.
 187 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_RobustJPEGDecodeImage,
 188                      std::vector<unsigned char>)  // encoded image contents
 189
 190 // Tell the utility process to parse a JSON string into a Value object.
 191 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParseJSON,
 192                      std::string /* JSON to parse */)
 193
 194 // Tells the utility process to get capabilities and defaults for the specified
 195 // printer. Used on Windows to isolate the service process from printer driver
 196 // crashes by executing this in a separate process. This does not run in a
 197 // sandbox.
 198 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_GetPrinterCapsAndDefaults,
 199                      std::string /* printer name */)
 200
 201 // Tells the utility process to get capabilities and defaults for the specified
 202 // printer. Used on Windows to isolate the service process from printer driver
 203 // crashes by executing this in a separate process. This does not run in a
 204 // sandbox. Returns result as printing::PrinterSemanticCapsAndDefaults.
 205 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_GetPrinterSemanticCapsAndDefaults,
 206                      std::string /* printer name */)
 207
 208 #if defined(OS_CHROMEOS)
 209 // Tell the utility process to create a zip file on the given list of files.
 210 IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_CreateZipFile,
 211                      base::FilePath /* src_dir */,
 212                      std::vector<base::FilePath> /* src_relative_paths */,
 213                      base::FileDescriptor /* dest_fd */)
 214 #endif  // defined(OS_CHROMEOS)
 215
 216 // Requests the utility process to respond with a
 217 // ChromeUtilityHostMsg_ProcessStarted message once it has started.  This may
 218 // be used if the host process needs a handle to the running utility process.
 219 IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_StartupPing)
 220
 221 // Tells the utility process to analyze a zip file for malicious download
 222 // protection.
 223 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_AnalyzeZipFileForDownloadProtection,
 224                      IPC::PlatformFileForTransit /* zip_file */)
 225
 226 #if defined(OS_WIN)
 227 // Tell the utility process to parse the iTunes preference XML file contents
 228 // and return the path to the iTunes directory.
 229 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParseITunesPrefXml,
 230                      std::string /* XML to parse */)
 231 #endif  // defined(OS_WIN)
 232
 233 #if defined(OS_MACOSX)
 234 // Tell the utility process to parse the iPhoto library XML file and
 235 // return the parse result as well as the iPhoto library as an iphoto::Library.
 236 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParseIPhotoLibraryXmlFile,
 237                      IPC::PlatformFileForTransit /* XML file to parse */)
 238 #endif  // defined(OS_MACOSX)
 239
 240 #if defined(OS_WIN) || defined(OS_MACOSX)
 241 // Tell the utility process to parse the iTunes library XML file and
 242 // return the parse result as well as the iTunes library as an itunes::Library.
 243 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParseITunesLibraryXmlFile,
 244                      IPC::PlatformFileForTransit /* XML file to parse */)
 245
 246 // Tells the utility process to parse the Picasa PMP database and return a
 247 // listing of the user's Picasa albums and folders, along with metadata.
 248 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParsePicasaPMPDatabase,
 249                      picasa::AlbumTableFilesForTransit /* album_table_files */)
 250
 251 // Tells the utility process to index the Picasa user-created Album contents
 252 // by parsing all the INI files in Picasa Folders.
 253 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_IndexPicasaAlbumsContents,
 254                      picasa::AlbumUIDSet /* album_uids */,
 255                      std::vector<picasa::FolderINIContents> /* folders_inis */)
 256 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 257
 258 #if !defined(OS_ANDROID) && !defined(OS_IOS)
 259 // Tell the utility process to attempt to validate the passed media file. The
 260 // file will undergo basic sanity checks and will be decoded for up to
 261 // |milliseconds_of_decoding| wall clock time. It is still not safe to decode
 262 // the file in the browser process after this check.
 263 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_CheckMediaFile,
 264                      int64 /* milliseconds_of_decoding */,
 265                      IPC::PlatformFileForTransit /* Media file to parse */)
 266
 267 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_ParseMediaMetadata,
 268                      std::string /* mime_type */,
 269                      int64 /* total_size */)
 270
 271 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RequestBlobBytes_Finished,
 272                      int64 /* request_id */,
 273                      std::string /* bytes */)
 274 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 275
 276 //------------------------------------------------------------------------------
 277 // Utility process host messages:
 278 // These are messages from the utility process to the browser.
 279
 280 // Reply when the utility process is done unpacking an extension.  |manifest|
 281 // is the parsed manifest.json file.
 282 // The unpacker should also have written out files containing the decoded
 283 // images and message catalogs from the extension. The data is written into a
 284 // DecodedImages struct into a file named kDecodedImagesFilename in the
 285 // directory that was passed in. This is done because the data is too large to
 286 // pass over IPC.
 287 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnpackExtension_Succeeded,
 288                      base::DictionaryValue /* manifest */)
 289
 290 // Reply when the utility process has failed while unpacking an extension.
 291 // |error_message| is a user-displayable explanation of what went wrong.
 292 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnpackExtension_Failed,
 293                      base::string16 /* error_message, if any */)
 294
 295 // Reply when the utility process is done unpacking and parsing JSON data
 296 // from a web resource.
 297 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnpackWebResource_Succeeded,
 298                      base::DictionaryValue /* json data */)
 299
 300 // Reply when the utility process has failed while unpacking and parsing a
 301 // web resource.  |error_message| is a user-readable explanation of what
 302 // went wrong.
 303 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnpackWebResource_Failed,
 304                      std::string /* error_message, if any */)
 305
 306 // Reply when the utility process has succeeded in parsing an update manifest
 307 // xml document.
 308 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ParseUpdateManifest_Succeeded,
 309                      UpdateManifest::Results /* updates */)
 310
 311 // Reply when an error occurred parsing the update manifest. |error_message|
 312 // is a description of what went wrong suitable for logging.
 313 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ParseUpdateManifest_Failed,
 314                      std::string /* error_message, if any */)
 315
 316 // Reply when the utility process has succeeded in decoding the image.
 317 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_DecodeImage_Succeeded,
 318                      SkBitmap)  // decoded image
 319
 320 // Reply when an error occurred decoding the image.
 321 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_DecodeImage_Failed)
 322
 323 // Reply when the utility process has succeeded in rendering the PDF.
 324 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_RenderPDFPagesToMetafile_Succeeded,
 325                      int,          // Highest rendered page number
 326                      double)       // Scale factor
 327
 328 // Reply when an error occurred rendering the PDF.
 329 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_RenderPDFPagesToMetafile_Failed)
 330
 331 // Reply when the utility process has succeeded in rendering the PDF to PWG.
 332 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_RenderPDFPagesToPWGRaster_Succeeded)
 333
 334 // Reply when an error occurred rendering the PDF to PWG.
 335 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_RenderPDFPagesToPWGRaster_Failed)
 336
 337 // Reply when the utility process successfully parsed a JSON string.
 338 //
 339 // WARNING: The result can be of any Value subclass type, but we can't easily
 340 // pass indeterminate value types by const object reference with our IPC macros,
 341 // so we put the result Value into a ListValue. Handlers should examine the
 342 // first (and only) element of the ListValue for the actual result.
 343 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ParseJSON_Succeeded,
 344                      base::ListValue)
 345
 346 // Reply when the utility process failed in parsing a JSON string.
 347 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ParseJSON_Failed,
 348                      std::string /* error message, if any*/)
 349
 350 #if defined(ENABLE_FULL_PRINTING)
 351 // Reply when the utility process has succeeded in obtaining the printer
 352 // capabilities and defaults.
 353 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GetPrinterCapsAndDefaults_Succeeded,
 354                      std::string /* printer name */,
 355                      printing::PrinterCapsAndDefaults)
 356
 357 // Reply when the utility process has succeeded in obtaining the printer
 358 // semantic capabilities and defaults.
 359 IPC_MESSAGE_CONTROL2(
 360     ChromeUtilityHostMsg_GetPrinterSemanticCapsAndDefaults_Succeeded,
 361     std::string /* printer name */,
 362     printing::PrinterSemanticCapsAndDefaults)
 363 #endif
 364
 365 // Reply when the utility process has failed to obtain the printer
 366 // capabilities and defaults.
 367 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_GetPrinterCapsAndDefaults_Failed,
 368                      std::string /* printer name */)
 369
 370 // Reply when the utility process has failed to obtain the printer
 371 // semantic capabilities and defaults.
 372 IPC_MESSAGE_CONTROL1(
 373   ChromeUtilityHostMsg_GetPrinterSemanticCapsAndDefaults_Failed,
 374   std::string /* printer name */)
 375
 376 #if defined(OS_CHROMEOS)
 377 // Reply when the utility process has succeeded in creating the zip file.
 378 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_CreateZipFile_Succeeded)
 379
 380 // Reply when an error occured in creating the zip file.
 381 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_CreateZipFile_Failed)
 382 #endif  // defined(OS_CHROMEOS)
 383
 384 // Reply when the utility process has started.
 385 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_ProcessStarted)
 386
 387 // Reply when a zip file has been analyzed for malicious download protection.
 388 IPC_MESSAGE_CONTROL1(
 389     ChromeUtilityHostMsg_AnalyzeZipFileForDownloadProtection_Finished,
 390     safe_browsing::zip_analyzer::Results)
 391
 392 #if defined(OS_WIN)
 393 // Reply after parsing the iTunes preferences XML file contents with either the
 394 // path to the iTunes directory or an empty FilePath.
 395 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_GotITunesDirectory,
 396                      base::FilePath /* Path to iTunes library */)
 397 #endif  // defined(OS_WIN)
 398
 399 #if defined(OS_MACOSX)
 400 // Reply after parsing the iPhoto library XML file with the parser result and
 401 // an iphoto::Library data structure.
 402 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GotIPhotoLibrary,
 403                      bool /* Parser result */,
 404                      iphoto::parser::Library /* iPhoto library */)
 405 #endif  // defined(OS_MACOSX)
 406
 407 #if defined(OS_WIN) || defined(OS_MACOSX)
 408 // Reply after parsing the iTunes library XML file with the parser result and
 409 // an itunes::Library data structure.
 410 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GotITunesLibrary,
 411                      bool /* Parser result */,
 412                      itunes::parser::Library /* iTunes library */)
 413
 414 // Reply after parsing the Picasa PMP Database with the parser result and a
 415 // listing of the user's Picasa albums and folders, along with metadata.
 416 IPC_MESSAGE_CONTROL3(ChromeUtilityHostMsg_ParsePicasaPMPDatabase_Finished,
 417                      bool /* parse_success */,
 418                      std::vector<picasa::AlbumInfo> /* albums */,
 419                      std::vector<picasa::AlbumInfo> /* folders */)
 420
 421 // Reply after indexing the Picasa user-created Album contents by parsing all
 422 // the INI files in Picasa Folders.
 423 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_IndexPicasaAlbumsContents_Finished,
 424                      picasa::AlbumImagesMap /* albums_images */)
 425 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 426
 427 #if !defined(OS_ANDROID) && !defined(OS_IOS)
 428 // Reply after checking the passed media file. A true result indicates that
 429 // the file appears to be a well formed media file.
 430 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_CheckMediaFile_Finished,
 431                      bool /* passed_checks */)
 432
 433 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_ParseMediaMetadata_Finished,
 434                      bool /* parse_success */,
 435                      base::DictionaryValue /* metadata */)
 436
 437 IPC_MESSAGE_CONTROL3(ChromeUtilityHostMsg_RequestBlobBytes,
 438                      int64 /* request_id */,
 439                      int64 /* start_byte */,
 440                      int64 /* length */)
 441 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)