src/chrome/common/chrome_paths.cc

   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 #include "chrome/common/chrome_paths.h"
   6
   7 #include "base/file_util.h"
   8 #include "base/lazy_instance.h"
   9 #include "base/logging.h"
  10 #include "base/mac/bundle_locations.h"
  11 #include "base/path_service.h"
  12 #include "base/strings/string_util.h"
  13 #include "base/sys_info.h"
  14 #include "base/threading/thread_restrictions.h"
  15 #include "base/version.h"
  16 #include "chrome/common/chrome_constants.h"
  17 #include "chrome/common/chrome_paths_internal.h"
  18 #include "chrome/common/widevine_cdm_constants.h"
  19 #include "ui/base/ui_base_paths.h"
  20
  21 #if defined(OS_ANDROID)
  22 #include "base/android/path_utils.h"
  23 #include "base/base_paths_android.h"
  24 #endif
  25
  26 #if defined(OS_MACOSX)
  27 #include "base/mac/foundation_util.h"
  28 #endif
  29
  30 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.
  31
  32 namespace {
  33
  34 // File name of the internal Flash plugin on different platforms.
  35 const base::FilePath::CharType kInternalFlashPluginFileName[] =
  36 #if defined(OS_MACOSX)
  37     FILE_PATH_LITERAL("Flash Player Plugin for Chrome.plugin");
  38 #elif defined(OS_WIN)
  39     FILE_PATH_LITERAL("gcswf32.dll");
  40 #else  // OS_LINUX, etc.
  41     FILE_PATH_LITERAL("libgcflashplayer.so");
  42 #endif
  43
  44 // The Pepper Flash plugins are in a directory with this name.
  45 const base::FilePath::CharType kPepperFlashBaseDirectory[] =
  46     FILE_PATH_LITERAL("PepperFlash");
  47
  48 #if defined(OS_WIN)
  49 const base::FilePath::CharType kPepperFlashDebuggerBaseDirectory[] =
  50     FILE_PATH_LITERAL("Macromed\\Flash");
  51 #endif
  52
  53 // File name of the internal PDF plugin on different platforms.
  54 const base::FilePath::CharType kInternalPDFPluginFileName[] =
  55 #if defined(OS_WIN)
  56     FILE_PATH_LITERAL("pdf.dll");
  57 #elif defined(OS_MACOSX)
  58     FILE_PATH_LITERAL("PDF.plugin");
  59 #else  // Linux and Chrome OS
  60     FILE_PATH_LITERAL("libpdf.so");
  61 #endif
  62
  63 const base::FilePath::CharType kInternalNaClPluginFileName[] =
  64     FILE_PATH_LITERAL("internal-nacl-plugin");
  65
  66 const base::FilePath::CharType kEffectsPluginFileName[] =
  67 #if defined(OS_WIN)
  68     FILE_PATH_LITERAL("pepper/libppeffects.dll");
  69 #elif defined(OS_MACOSX)
  70     FILE_PATH_LITERAL("pepper/libppeffects.plugin");
  71 #else  // Linux and Chrome OS
  72     FILE_PATH_LITERAL("pepper/libppeffects.so");
  73 #endif
  74
  75 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  76
  77 const base::FilePath::CharType kO1DPluginFileName[] =
  78     FILE_PATH_LITERAL("pepper/libppo1d.so");
  79
  80 const base::FilePath::CharType kGTalkPluginFileName[] =
  81     FILE_PATH_LITERAL("pepper/libppgoogletalk.so");
  82
  83 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
  84
  85 #if defined(OS_LINUX)
  86 // The path to the external extension <id>.json files.
  87 // /usr/share seems like a good choice, see: http://www.pathname.com/fhs/
  88 const base::FilePath::CharType kFilepathSinglePrefExtensions[] =
  89 #if defined(GOOGLE_CHROME_BUILD)
  90     FILE_PATH_LITERAL("/usr/share/google-chrome/extensions");
  91 #else
  92     FILE_PATH_LITERAL("/usr/share/chromium/extensions");
  93 #endif  // defined(GOOGLE_CHROME_BUILD)
  94 #endif  // defined(OS_LINUX)
  95
  96 static base::LazyInstance<base::FilePath>
  97     g_invalid_specified_user_data_dir = LAZY_INSTANCE_INITIALIZER;
  98
  99 // Gets the path for internal plugins.
 100 bool GetInternalPluginsDirectory(base::FilePath* result) {
 101 #if defined(OS_MACOSX) && !defined(OS_IOS)
 102   // If called from Chrome, get internal plugins from a subdirectory of the
 103   // framework.
 104   if (base::mac::AmIBundled()) {
 105     *result = chrome::GetFrameworkBundlePath();
 106     DCHECK(!result->empty());
 107     *result = result->Append("Internet Plug-Ins");
 108     return true;
 109   }
 110   // In tests, just look in the module directory (below).
 111 #endif
 112
 113   // The rest of the world expects plugins in the module directory.
 114   return PathService::Get(base::DIR_MODULE, result);
 115 }
 116
 117 }  // namespace
 118
 119 namespace chrome {
 120
 121 bool PathProvider(int key, base::FilePath* result) {
 122   // Some keys are just aliases...
 123   switch (key) {
 124     case chrome::DIR_APP:
 125       return PathService::Get(base::DIR_MODULE, result);
 126     case chrome::DIR_LOGS:
 127 #ifdef NDEBUG
 128       // Release builds write to the data dir
 129       return PathService::Get(chrome::DIR_USER_DATA, result);
 130 #else
 131       // Debug builds write next to the binary (in the build tree)
 132 #if defined(OS_MACOSX)
 133       if (!PathService::Get(base::DIR_EXE, result))
 134         return false;
 135       if (base::mac::AmIBundled()) {
 136         // If we're called from chrome, dump it beside the app (outside the
 137         // app bundle), if we're called from a unittest, we'll already
 138         // outside the bundle so use the exe dir.
 139         // exe_dir gave us .../Chromium.app/Contents/MacOS/Chromium.
 140         *result = result->DirName();
 141         *result = result->DirName();
 142         *result = result->DirName();
 143       }
 144       return true;
 145 #else
 146       return PathService::Get(base::DIR_EXE, result);
 147 #endif  // defined(OS_MACOSX)
 148 #endif  // NDEBUG
 149     case chrome::FILE_RESOURCE_MODULE:
 150       return PathService::Get(base::FILE_MODULE, result);
 151   }
 152
 153   // Assume that we will not need to create the directory if it does not exist.
 154   // This flag can be set to true for the cases where we want to create it.
 155   bool create_dir = false;
 156
 157   base::FilePath cur;
 158   switch (key) {
 159     case chrome::DIR_USER_DATA:
 160       if (!GetDefaultUserDataDirectory(&cur)) {
 161         NOTREACHED();
 162         return false;
 163       }
 164       create_dir = true;
 165       break;
 166     case chrome::DIR_USER_DOCUMENTS:
 167       if (!GetUserDocumentsDirectory(&cur))
 168         return false;
 169       create_dir = true;
 170       break;
 171     case chrome::DIR_USER_MUSIC:
 172       if (!GetUserMusicDirectory(&cur))
 173         return false;
 174       break;
 175     case chrome::DIR_USER_PICTURES:
 176       if (!GetUserPicturesDirectory(&cur))
 177         return false;
 178       break;
 179     case chrome::DIR_USER_VIDEOS:
 180       if (!GetUserVideosDirectory(&cur))
 181         return false;
 182       break;
 183     case chrome::DIR_DEFAULT_DOWNLOADS_SAFE:
 184 #if defined(OS_WIN) || defined(OS_LINUX)
 185       if (!GetUserDownloadsDirectorySafe(&cur))
 186         return false;
 187       break;
 188 #else
 189       // Fall through for all other platforms.
 190 #endif
 191     case chrome::DIR_DEFAULT_DOWNLOADS:
 192 #if defined(OS_ANDROID)
 193       if (!base::android::GetDownloadsDirectory(&cur))
 194         return false;
 195 #else
 196       if (!GetUserDownloadsDirectory(&cur))
 197         return false;
 198       // Do not create the download directory here, we have done it twice now
 199       // and annoyed a lot of users.
 200 #endif
 201       break;
 202     case chrome::DIR_CRASH_DUMPS:
 203 #if defined(OS_CHROMEOS)
 204       // ChromeOS uses a separate directory. See http://crosbug.com/25089
 205       cur = base::FilePath("/var/log/chrome");
 206 #elif defined(OS_ANDROID)
 207       if (!base::android::GetCacheDirectory(&cur))
 208         return false;
 209 #else
 210       // The crash reports are always stored relative to the default user data
 211       // directory.  This avoids the problem of having to re-initialize the
 212       // exception handler after parsing command line options, which may
 213       // override the location of the app's profile directory.
 214       if (!GetDefaultUserDataDirectory(&cur))
 215         return false;
 216 #endif
 217       cur = cur.Append(FILE_PATH_LITERAL("Crash Reports"));
 218       create_dir = true;
 219       break;
 220     case chrome::DIR_RESOURCES:
 221 #if defined(OS_MACOSX)
 222       cur = base::mac::FrameworkBundlePath();
 223       cur = cur.Append(FILE_PATH_LITERAL("Resources"));
 224 #else
 225       if (!PathService::Get(chrome::DIR_APP, &cur))
 226         return false;
 227       cur = cur.Append(FILE_PATH_LITERAL("resources"));
 228 #endif
 229       break;
 230     case chrome::DIR_INSPECTOR:
 231       if (!PathService::Get(chrome::DIR_RESOURCES, &cur))
 232         return false;
 233       cur = cur.Append(FILE_PATH_LITERAL("inspector"));
 234       break;
 235     case chrome::DIR_APP_DICTIONARIES:
 236 #if defined(OS_POSIX)
 237       // We can't write into the EXE dir on Linux, so keep dictionaries
 238       // alongside the safe browsing database in the user data dir.
 239       // And we don't want to write into the bundle on the Mac, so push
 240       // it to the user data dir there also.
 241       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 242         return false;
 243 #else
 244       if (!PathService::Get(base::DIR_EXE, &cur))
 245         return false;
 246 #endif
 247       cur = cur.Append(FILE_PATH_LITERAL("Dictionaries"));
 248       create_dir = true;
 249       break;
 250     case chrome::DIR_INTERNAL_PLUGINS:
 251       if (!GetInternalPluginsDirectory(&cur))
 252         return false;
 253       break;
 254     case chrome::DIR_PEPPER_FLASH_PLUGIN:
 255       if (!GetInternalPluginsDirectory(&cur))
 256         return false;
 257       cur = cur.Append(kPepperFlashBaseDirectory);
 258       break;
 259     case chrome::DIR_COMPONENT_UPDATED_PEPPER_FLASH_PLUGIN:
 260       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 261         return false;
 262       cur = cur.Append(kPepperFlashBaseDirectory);
 263       break;
 264     case chrome::DIR_PEPPER_FLASH_DEBUGGER_PLUGIN:
 265 #if defined(OS_WIN)
 266       if (!PathService::Get(base::DIR_SYSTEM, &cur))
 267         return false;
 268       cur = cur.Append(kPepperFlashDebuggerBaseDirectory);
 269 #elif defined(OS_MACOSX)
 270       // TODO(luken): finalize Mac OS directory paths, current consensus is
 271       // around /Library/Internet Plug-Ins/PepperFlashPlayer/
 272       return false;
 273 #else
 274       return false;
 275 #endif
 276       break;
 277     case chrome::FILE_LOCAL_STATE:
 278       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 279         return false;
 280       cur = cur.Append(chrome::kLocalStateFilename);
 281       break;
 282     case chrome::FILE_RECORDED_SCRIPT:
 283       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 284         return false;
 285       cur = cur.Append(FILE_PATH_LITERAL("script.log"));
 286       break;
 287     case chrome::FILE_FLASH_PLUGIN:
 288       if (!GetInternalPluginsDirectory(&cur))
 289         return false;
 290       cur = cur.Append(kInternalFlashPluginFileName);
 291       break;
 292     case chrome::FILE_PEPPER_FLASH_PLUGIN:
 293       if (!PathService::Get(chrome::DIR_PEPPER_FLASH_PLUGIN, &cur))
 294         return false;
 295       cur = cur.Append(chrome::kPepperFlashPluginFilename);
 296       break;
 297     case chrome::FILE_PDF_PLUGIN:
 298       if (!GetInternalPluginsDirectory(&cur))
 299         return false;
 300       cur = cur.Append(kInternalPDFPluginFileName);
 301       break;
 302     case chrome::FILE_EFFECTS_PLUGIN:
 303       if (!GetInternalPluginsDirectory(&cur))
 304         return false;
 305       cur = cur.Append(kEffectsPluginFileName);
 306       break;
 307     // TODO(teravest): Remove this case once the internal NaCl plugin is gone.
 308     // We currently need a path here to look up whether the plugin is disabled
 309     // and what its permissions are.
 310     case chrome::FILE_NACL_PLUGIN:
 311       if (!GetInternalPluginsDirectory(&cur))
 312         return false;
 313       cur = cur.Append(kInternalNaClPluginFileName);
 314       break;
 315     // PNaCl is currenly installable via the component updater or by being
 316     // simply built-in.  DIR_PNACL_BASE is used as the base directory for
 317     // installation via component updater.  DIR_PNACL_COMPONENT will be
 318     // the final location of pnacl, which is a subdir of DIR_PNACL_BASE.
 319     case chrome::DIR_PNACL_BASE:
 320       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 321         return false;
 322       cur = cur.Append(FILE_PATH_LITERAL("pnacl"));
 323       break;
 324     // Where PNaCl files are ultimately located.  The default finds the files
 325     // inside the InternalPluginsDirectory / build directory, as if it
 326     // was shipped along with chrome.  The value can be overridden
 327     // if it is installed via component updater.
 328     case chrome::DIR_PNACL_COMPONENT:
 329 #if defined(OS_MACOSX)
 330       // PNaCl really belongs in the InternalPluginsDirectory but actually
 331       // copying it there would result in the files also being shipped, which
 332       // we don't want yet. So for now, just find them in the directory where
 333       // they get built.
 334       if (!PathService::Get(base::DIR_EXE, &cur))
 335         return false;
 336       if (base::mac::AmIBundled()) {
 337         // If we're called from chrome, it's beside the app (outside the
 338         // app bundle), if we're called from a unittest, we'll already be
 339         // outside the bundle so use the exe dir.
 340         // exe_dir gave us .../Chromium.app/Contents/MacOS/Chromium.
 341         cur = cur.DirName();
 342         cur = cur.DirName();
 343         cur = cur.DirName();
 344       }
 345 #else
 346       if (!GetInternalPluginsDirectory(&cur))
 347         return false;
 348 #endif
 349       cur = cur.Append(FILE_PATH_LITERAL("pnacl"));
 350       break;
 351 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 352     case chrome::FILE_O1D_PLUGIN:
 353       if (!PathService::Get(base::DIR_MODULE, &cur))
 354         return false;
 355       cur = cur.Append(kO1DPluginFileName);
 356       break;
 357     case chrome::FILE_GTALK_PLUGIN:
 358       if (!PathService::Get(base::DIR_MODULE, &cur))
 359         return false;
 360       cur = cur.Append(kGTalkPluginFileName);
 361       break;
 362 #endif
 363 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
 364 #if defined(WIDEVINE_CDM_IS_COMPONENT)
 365     case chrome::DIR_COMPONENT_WIDEVINE_CDM:
 366       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 367         return false;
 368       cur = cur.Append(kWidevineCdmBaseDirectory);
 369       break;
 370 #endif  // defined(WIDEVINE_CDM_IS_COMPONENT)
 371     // TODO(xhwang): FILE_WIDEVINE_CDM_ADAPTER has different meanings.
 372     // In the component case, this is the source adapter. Otherwise, it is the
 373     // actual Pepper module that gets loaded.
 374     case chrome::FILE_WIDEVINE_CDM_ADAPTER:
 375       if (!GetInternalPluginsDirectory(&cur))
 376         return false;
 377       cur = cur.AppendASCII(kWidevineCdmAdapterFileName);
 378       break;
 379 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
 380     case chrome::FILE_RESOURCES_PACK:
 381 #if defined(OS_MACOSX) && !defined(OS_IOS)
 382       if (base::mac::AmIBundled()) {
 383         cur = base::mac::FrameworkBundlePath();
 384         cur = cur.Append(FILE_PATH_LITERAL("Resources"))
 385                  .Append(FILE_PATH_LITERAL("resources.pak"));
 386         break;
 387       }
 388 #elif defined(OS_ANDROID)
 389       if (!PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &cur))
 390         return false;
 391 #else
 392       // If we're not bundled on mac or Android, resources.pak should be next
 393       // to the binary (e.g., for unit tests).
 394       if (!PathService::Get(base::DIR_MODULE, &cur))
 395         return false;
 396 #endif
 397       cur = cur.Append(FILE_PATH_LITERAL("resources.pak"));
 398       break;
 399     case chrome::DIR_RESOURCES_EXTENSION:
 400       if (!PathService::Get(base::DIR_MODULE, &cur))
 401         return false;
 402       cur = cur.Append(FILE_PATH_LITERAL("resources"))
 403                .Append(FILE_PATH_LITERAL("extension"));
 404       break;
 405 #if defined(OS_CHROMEOS)
 406     case chrome::DIR_CHROMEOS_WALLPAPERS:
 407       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 408         return false;
 409       cur = cur.Append(FILE_PATH_LITERAL("wallpapers"));
 410       break;
 411     case chrome::DIR_CHROMEOS_WALLPAPER_THUMBNAILS:
 412       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 413         return false;
 414       cur = cur.Append(FILE_PATH_LITERAL("wallpaper_thumbnails"));
 415       break;
 416     case chrome::DIR_CHROMEOS_CUSTOM_WALLPAPERS:
 417       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 418         return false;
 419       cur = cur.Append(FILE_PATH_LITERAL("custom_wallpapers"));
 420       break;
 421 #endif
 422 #if defined(OS_LINUX) && defined(ENABLE_MANAGED_USERS)
 423     case chrome::DIR_SUPERVISED_USERS_DEFAULT_APPS:
 424       if (!PathService::Get(chrome::DIR_STANDALONE_EXTERNAL_EXTENSIONS, &cur))
 425         return false;
 426       cur = cur.Append(FILE_PATH_LITERAL("managed_users"));
 427       break;
 428 #endif
 429     // The following are only valid in the development environment, and
 430     // will fail if executed from an installed executable (because the
 431     // generated path won't exist).
 432     case chrome::DIR_GEN_TEST_DATA:
 433 #if defined(OS_ANDROID)
 434       // On Android, our tests don't have permission to write to DIR_MODULE.
 435       // gtest/test_runner.py pushes data to external storage.
 436       if (!PathService::Get(base::DIR_ANDROID_EXTERNAL_STORAGE, &cur))
 437         return false;
 438 #else
 439       if (!PathService::Get(base::DIR_MODULE, &cur))
 440         return false;
 441 #endif
 442       cur = cur.Append(FILE_PATH_LITERAL("test_data"));
 443       if (!base::PathExists(cur))  // We don't want to create this.
 444         return false;
 445       break;
 446     case chrome::DIR_TEST_DATA:
 447       if (!PathService::Get(base::DIR_SOURCE_ROOT, &cur))
 448         return false;
 449       cur = cur.Append(FILE_PATH_LITERAL("chrome"));
 450       cur = cur.Append(FILE_PATH_LITERAL("test"));
 451       cur = cur.Append(FILE_PATH_LITERAL("data"));
 452       if (!base::PathExists(cur))  // We don't want to create this.
 453         return false;
 454       break;
 455     case chrome::DIR_TEST_TOOLS:
 456       if (!PathService::Get(base::DIR_SOURCE_ROOT, &cur))
 457         return false;
 458       cur = cur.Append(FILE_PATH_LITERAL("chrome"));
 459       cur = cur.Append(FILE_PATH_LITERAL("tools"));
 460       cur = cur.Append(FILE_PATH_LITERAL("test"));
 461       if (!base::PathExists(cur))  // We don't want to create this
 462         return false;
 463       break;
 464 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
 465     case chrome::DIR_POLICY_FILES: {
 466 #if defined(GOOGLE_CHROME_BUILD)
 467       cur = base::FilePath(FILE_PATH_LITERAL("/etc/opt/chrome/policies"));
 468 #else
 469       cur = base::FilePath(FILE_PATH_LITERAL("/etc/chromium/policies"));
 470 #endif
 471       break;
 472     }
 473 #endif
 474 #if defined(OS_MACOSX) && !defined(OS_IOS)
 475     case chrome::DIR_MANAGED_PREFS: {
 476       if (!GetLocalLibraryDirectory(&cur))
 477         return false;
 478       cur = cur.Append(FILE_PATH_LITERAL("Managed Preferences"));
 479       char* login = getlogin();
 480       if (!login)
 481         return false;
 482       cur = cur.AppendASCII(login);
 483       if (!base::PathExists(cur))  // We don't want to create this.
 484         return false;
 485       break;
 486     }
 487     case chrome::DIR_USER_LIBRARY: {
 488       if (!GetUserLibraryDirectory(&cur))
 489         return false;
 490       if (!base::PathExists(cur))  // We don't want to create this.
 491         return false;
 492       break;
 493     }
 494     case chrome::DIR_USER_APPLICATIONS: {
 495       if (!GetUserApplicationsDirectory(&cur))
 496         return false;
 497       if (!base::PathExists(cur))  // We don't want to create this.
 498         return false;
 499       break;
 500     }
 501 #endif
 502 #if defined(OS_CHROMEOS) || (defined(OS_MACOSX) && !defined(OS_IOS))
 503     case chrome::DIR_USER_EXTERNAL_EXTENSIONS: {
 504       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 505         return false;
 506       cur = cur.Append(FILE_PATH_LITERAL("External Extensions"));
 507       break;
 508     }
 509 #endif
 510 #if defined(OS_LINUX)
 511     case chrome::DIR_STANDALONE_EXTERNAL_EXTENSIONS: {
 512       cur = base::FilePath(kFilepathSinglePrefExtensions);
 513       break;
 514     }
 515 #endif
 516     case chrome::DIR_EXTERNAL_EXTENSIONS:
 517 #if defined(OS_MACOSX) && !defined(OS_IOS)
 518       if (!chrome::GetGlobalApplicationSupportDirectory(&cur))
 519         return false;
 520
 521       cur = cur.Append(FILE_PATH_LITERAL("Google"))
 522                .Append(FILE_PATH_LITERAL("Chrome"))
 523                .Append(FILE_PATH_LITERAL("External Extensions"));
 524       create_dir = false;
 525 #else
 526       if (!PathService::Get(base::DIR_MODULE, &cur))
 527         return false;
 528
 529       cur = cur.Append(FILE_PATH_LITERAL("extensions"));
 530       create_dir = true;
 531 #endif
 532       break;
 533
 534     case chrome::DIR_DEFAULT_APPS:
 535 #if defined(OS_MACOSX)
 536       cur = base::mac::FrameworkBundlePath();
 537       cur = cur.Append(FILE_PATH_LITERAL("Default Apps"));
 538 #else
 539       if (!PathService::Get(chrome::DIR_APP, &cur))
 540         return false;
 541       cur = cur.Append(FILE_PATH_LITERAL("default_apps"));
 542 #endif
 543       break;
 544
 545 #if defined(OS_LINUX) || (defined(OS_MACOSX) && !defined(OS_IOS))
 546     case chrome::DIR_NATIVE_MESSAGING:
 547 #if defined(OS_MACOSX)
 548 #if defined(GOOGLE_CHROME_BUILD)
 549       cur = base::FilePath(FILE_PATH_LITERAL(
 550            "/Library/Google/Chrome/NativeMessagingHosts"));
 551 #else
 552       cur = base::FilePath(FILE_PATH_LITERAL(
 553           "/Library/Application Support/Chromium/NativeMessagingHosts"));
 554 #endif
 555 #else  // defined(OS_MACOSX)
 556 #if defined(GOOGLE_CHROME_BUILD)
 557       cur = base::FilePath(FILE_PATH_LITERAL(
 558           "/etc/opt/chrome/native-messaging-hosts"));
 559 #else
 560       cur = base::FilePath(FILE_PATH_LITERAL(
 561           "/etc/chromium/native-messaging-hosts"));
 562 #endif
 563 #endif  // !defined(OS_MACOSX)
 564       break;
 565
 566     case chrome::DIR_USER_NATIVE_MESSAGING:
 567       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 568         return false;
 569       cur = cur.Append(FILE_PATH_LITERAL("NativeMessagingHosts"));
 570       break;
 571 #endif  // defined(OS_LINUX) || (defined(OS_MACOSX) && !defined(OS_IOS))
 572 #if !defined(OS_ANDROID)
 573     case chrome::DIR_GLOBAL_GCM_STORE:
 574       if (!PathService::Get(chrome::DIR_USER_DATA, &cur))
 575         return false;
 576       cur = cur.Append(kGCMStoreDirname);
 577       break;
 578 #endif  // !defined(OS_ANDROID)
 579
 580     default:
 581       return false;
 582   }
 583
 584   // TODO(bauerb): http://crbug.com/259796
 585   base::ThreadRestrictions::ScopedAllowIO allow_io;
 586   if (create_dir && !base::PathExists(cur) &&
 587       !base::CreateDirectory(cur))
 588     return false;
 589
 590   *result = cur;
 591   return true;
 592 }
 593
 594 // This cannot be done as a static initializer sadly since Visual Studio will
 595 // eliminate this object file if there is no direct entry point into it.
 596 void RegisterPathProvider() {
 597   PathService::RegisterProvider(PathProvider, PATH_START, PATH_END);
 598 }
 599
 600 void SetInvalidSpecifiedUserDataDir(const base::FilePath& user_data_dir) {
 601   g_invalid_specified_user_data_dir.Get() = user_data_dir;
 602 }
 603
 604 const base::FilePath& GetInvalidSpecifiedUserDataDir() {
 605   return g_invalid_specified_user_data_dir.Get();
 606 }
 607
 608 }  // namespace chrome