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      1 // Copyright (c) 2011 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/plugin/chrome_content_plugin_client.h"
      6 
      7 #if defined(ENABLE_REMOTING)
      8 #include "base/files/file_path.h"
      9 #include "base/path_service.h"
     10 #include "content/public/common/content_paths.h"
     11 #include "media/base/media.h"
     12 #if defined(OS_WIN)
     13 #include "base/logging.h"
     14 #include "base/native_library.h"
     15 #elif defined(OS_POSIX) && !defined(OS_MACOSX) && defined(USE_NSS)
     16 #include "crypto/nss_util.h"
     17 #endif
     18 #endif
     19 
     20 namespace chrome {
     21 
     22 void ChromeContentPluginClient::PreSandboxInitialization() {
     23 #if defined(ENABLE_REMOTING)
     24 
     25   // Load crypto libraries for the Chromoting client plugin.
     26 #if defined(OS_POSIX) && !defined(OS_MACOSX) && defined(USE_NSS)
     27   // On platforms where we use system NSS libraries, the .so's must be loaded
     28   // before the sandbox is initialized.
     29   crypto::ForceNSSNoDBInit();
     30   crypto::EnsureNSSInit();
     31 #elif defined(OS_WIN)
     32   // crypt32.dll is used to decode X509 certificates for Chromoting.
     33   base::NativeLibraryLoadError error;
     34   if (base::LoadNativeLibrary(base::FilePath(L"crypt32.dll"), &error) == NULL)
     35     LOG(ERROR) << "Failed to load crypto32.dll: " << error.ToString();
     36 #endif // defined(OS_WIN)
     37 
     38   // Load media libraries for the Chromoting client plugin.
     39   base::FilePath media_path;
     40   PathService::Get(content::DIR_MEDIA_LIBS, &media_path);
     41   if (!media_path.empty())
     42     media::InitializeMediaLibrary(media_path);
     43 
     44 #endif // defined(ENABLE_REMOTING)
     45 }
     46 
     47 }  // namespace chrome
     48