Run the Chromoting client plugin out-of-process.

This requires an additional callback to embedders to allow Chrome initialize NSS for use by the Chromoting plugin before activating the sandbox, and to specially handle built-in ("internal") plugins like the Chromoting client.

BUG=160121


Review URL: https://chromiumcodereview.appspot.com/11369207

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@168168 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 40 insertions, 0 deletions

diff --git a/chrome/plugin/DEPS b/chrome/plugin/DEPS
index df419af..b5c727f 100644
--- a/chrome/plugin/DEPS
+++ b/chrome/plugin/DEPS
@@ -1,4 +1,5 @@
 include_rules = [
   "+content/public/plugin",
   "+grit",
+  "+media",
 ]
diff --git a/chrome/plugin/chrome_content_plugin_client.cc b/chrome/plugin/chrome_content_plugin_client.cc
index 0a8e42b..d92ff309 100644
--- a/chrome/plugin/chrome_content_plugin_client.cc
+++ b/chrome/plugin/chrome_content_plugin_client.cc
@@ -4,6 +4,19 @@
 
 #include "chrome/plugin/chrome_content_plugin_client.h"
 
+#if defined(ENABLE_REMOTING)
+#include "base/path_service.h"
+#include "base/file_path.h"
+#include "content/public/common/content_paths.h"
+#include "media/base/media.h"
+#if defined(OS_WIN)
+#include "base/logging.h"
+#include "base/native_library.h"
+#elif defined(OS_POSIX) && !defined(OS_MACOSX) && defined(USE_NSS)
+#include "crypto/nss_util.h"
+#endif
+#endif
+
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
@@ -14,6 +27,31 @@
 
 namespace chrome {
 
+void ChromeContentPluginClient::PreSandboxInitialization() {
+#if defined(ENABLE_REMOTING)
+
+  // Load crypto libraries for the Chromoting client plugin.
+#if defined(OS_POSIX) && !defined(OS_MACOSX) && defined(USE_NSS)
+  // On platforms where we use system NSS libraries, the .so's must be loaded
+  // before the sandbox is initialized.
+  crypto::ForceNSSNoDBInit();
+  crypto::EnsureNSSInit();
+#elif defined(OS_WIN)
+  // crypt32.dll is used to decode X509 certificates for Chromoting.
+  std::string error;
+  if (base::LoadNativeLibrary(FilePath(L"crypt32.dll"), &error) == NULL)
+    LOG(ERROR) << "Failed to load crypto32.dll: " << error;
+#endif // defined(OS_WIN)
+
+  // Load media libraries for the Chromoting client plugin.
+  FilePath media_path;
+  PathService::Get(content::DIR_MEDIA_LIBS, &media_path);
+  if (!media_path.empty())
+    media::InitializeMediaLibrary(media_path);
+
+#endif // defined(ENABLE_REMOTING)
+}
+
 void ChromeContentPluginClient::PluginProcessStarted(
     const string16& plugin_name) {
 #if defined(OS_MACOSX)
diff --git a/chrome/plugin/chrome_content_plugin_client.h b/chrome/plugin/chrome_content_plugin_client.h
index 56ab0ce..0392102 100644
--- a/chrome/plugin/chrome_content_plugin_client.h
+++ b/chrome/plugin/chrome_content_plugin_client.h
@@ -12,6 +12,7 @@ namespace chrome {
 
 class ChromeContentPluginClient : public content::ContentPluginClient {
  public:
+  virtual void PreSandboxInitialization() OVERRIDE;
   virtual void PluginProcessStarted(const string16& plugin_name) OVERRIDE;
 };