Move most importer code to chrome/utility/importer

chrome/browser/importer/nss_decryptor_mac.mm

-// Copyright (c) 2009 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.
-
-#include <Cocoa/Cocoa.h>
-
-#include <dlfcn.h>
-
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/strings/sys_string_conversions.h"
-
-#include "chrome/browser/importer/firefox_importer_utils.h"
-#include "chrome/browser/importer/nss_decryptor_mac.h"
-
-// Important!! : On OS X the nss3 libraries are compiled with depedencies
-// on one another, referenced using dyld's @executable_path directive.
-// To make a long story short in order to get the libraries to load, dyld's
-// fallback path needs to be set to the directory containing the libraries.
-// To do so, the process this function runs in must have the
-// DYLD_FALLBACK_LIBRARY_PATH set on startup to said directory.
-bool NSSDecryptor::Init(const base::FilePath& dll_path,
-                        const base::FilePath& db_path) {
-  if (getenv("DYLD_FALLBACK_LIBRARY_PATH") == NULL) {
-    LOG(ERROR) << "DYLD_FALLBACK_LIBRARY_PATH variable not set";
-    return false;
-  }
-  base::FilePath nss3_path = dll_path.Append("libnss3.dylib");
-
-  void* nss_3_lib = dlopen(nss3_path.value().c_str(), RTLD_LAZY);
-  if (!nss_3_lib) {
-    LOG(ERROR) << "Failed to load nss3 lib" << dlerror();
-    return false;
-  }
-
-  NSS_Init = (NSSInitFunc)dlsym(nss_3_lib, "NSS_Init");
-  NSS_Shutdown = (NSSShutdownFunc)dlsym(nss_3_lib, "NSS_Shutdown");
-  PK11_GetInternalKeySlot =
-      (PK11GetInternalKeySlotFunc)dlsym(nss_3_lib, "PK11_GetInternalKeySlot");
-  PK11_CheckUserPassword =
-      (PK11CheckUserPasswordFunc)dlsym(nss_3_lib, "PK11_CheckUserPassword");
-  PK11_FreeSlot = (PK11FreeSlotFunc)dlsym(nss_3_lib, "PK11_FreeSlot");
-  PK11_Authenticate =
-      (PK11AuthenticateFunc)dlsym(nss_3_lib, "PK11_Authenticate");
-  PK11SDR_Decrypt = (PK11SDRDecryptFunc)dlsym(nss_3_lib, "PK11SDR_Decrypt");
-  SECITEM_FreeItem = (SECITEMFreeItemFunc)dlsym(nss_3_lib, "SECITEM_FreeItem");
-
-  if (!NSS_Init || !NSS_Shutdown || !PK11_GetInternalKeySlot ||
-      !PK11_CheckUserPassword || !PK11_FreeSlot || !PK11_Authenticate ||
-      !PK11SDR_Decrypt || !SECITEM_FreeItem) {
-    LOG(ERROR) << "NSS3 importer couldn't find entry points";
-    return false;
-  }
-
-  SECStatus result = NSS_Init(db_path.value().c_str());
-
-  if (result != SECSuccess) {
-    LOG(ERROR) << "NSS_Init Failed returned: " << result;
-    return false;
-  }
-
-  is_nss_initialized_ = true;
-  return true;
-}
-
-NSSDecryptor::~NSSDecryptor() {
-  if (NSS_Shutdown && is_nss_initialized_) {
-    NSS_Shutdown();
-    is_nss_initialized_ = false;
-  }
-}