Fix import Firefox passwords on Windows (silent failure); plds4.dll and nspr4.dll no longer exist

chrome/utility/importer/nss_decryptor_win.cc

 // Copyright (c) 2011 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 "chrome/utility/importer/nss_decryptor_win.h"
 
 #include "base/files/file_path.h"
 #include "base/strings/sys_string_conversions.h"
 
 namespace {
@@ skipping 88 matching lines @@
       is_nss_initialized_(false) {
 }
 
 NSSDecryptor::~NSSDecryptor() {
   Free();
 }
 
 bool NSSDecryptor::InitNSS(const base::FilePath& db_path,
                            base::NativeLibrary plds4_dll,
                            base::NativeLibrary nspr4_dll) {
-  // NSPR DLLs are already loaded now.
-  if (plds4_dll == NULL || nspr4_dll == NULL) {
-    Free();
-    return false;
-  }
-
   // Gets the function address.
   NSS_Init = (NSSInitFunc)
       base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "NSS_Init");
   NSS_Shutdown = (NSSShutdownFunc)
       base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "NSS_Shutdown");
   PK11_GetInternalKeySlot = (PK11GetInternalKeySlotFunc)
       base::GetFunctionPointerFromNativeLibrary(nss3_dll_,
                                                 "PK11_GetInternalKeySlot");
   PK11_FreeSlot = (PK11FreeSlotFunc)
       base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "PK11_FreeSlot");
   PK11_Authenticate = (PK11AuthenticateFunc)
       base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "PK11_Authenticate");
   PK11SDR_Decrypt = (PK11SDRDecryptFunc)
       base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "PK11SDR_Decrypt");
   SECITEM_FreeItem = (SECITEMFreeItemFunc)
       base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "SECITEM_FreeItem");
-  PL_ArenaFinish = (PLArenaFinishFunc)
-      base::GetFunctionPointerFromNativeLibrary(plds4_dll, "PL_ArenaFinish");
-  PR_Cleanup = (PRCleanupFunc)
-      base::GetFunctionPointerFromNativeLibrary(nspr4_dll, "PR_Cleanup");
+  // Firefox 22 and higher PL_ArenaFinish and PR_Cleanup moved from plds4.dll

[Peter Kasting, 2013/09/11 05:18:44]

Nit: Please use complete grammatical sentences:

On Firefox 22 and higher, PL_ArenaFinish() and PR_Cleanup() are found in
nss3.dll rather than plds4.dll.

+  // to nss3.dll
+  if (plds4_dll == NULL) {
+    PL_ArenaFinish = (PLArenaFinishFunc)(
+        base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "PL_ArenaFinish"));
+    PR_Cleanup = (PRCleanupFunc)(
+        base::GetFunctionPointerFromNativeLibrary(nss3_dll_, "PR_Cleanup"));
+  } else {
+    PL_ArenaFinish = (PLArenaFinishFunc)(
+        base::GetFunctionPointerFromNativeLibrary(nspr4_dll, "PL_ArenaFinish"));
+    PR_Cleanup = (PRCleanupFunc)(
+        base::GetFunctionPointerFromNativeLibrary(nspr4_dll, "PR_Cleanup"));
+  }
 
   if (NSS_Init == NULL || NSS_Shutdown == NULL ||
       PK11_GetInternalKeySlot == NULL || PK11_FreeSlot == NULL ||
       PK11_Authenticate == NULL || PK11SDR_Decrypt == NULL ||
       SECITEM_FreeItem == NULL || PL_ArenaFinish == NULL ||
       PR_Cleanup == NULL) {
     Free();
     return false;
   }
 
@@ skipping 23 matching lines @@
   PK11_GetInternalKeySlot = NULL;
   PK11_FreeSlot = NULL;
   PK11_Authenticate = NULL;
   PK11SDR_Decrypt = NULL;
   SECITEM_FreeItem = NULL;
   PL_ArenaFinish = NULL;
   PR_Cleanup = NULL;
   nss3_dll_ = NULL;
   softokn3_dll_ = NULL;
 }