media: Verify CDM Host files

content/zygote/zygote_main_linux.cc

 // Copyright (c) 2012 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 "content/zygote/zygote_main.h"
 
 #include <dlfcn.h>
 #include <fcntl.h>
 #include <pthread.h>
 #include <signal.h>
@@ skipping 18 matching lines @@
 #include "base/pickle.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/posix/unix_domain_socket_linux.h"
 #include "base/rand_util.h"
 #include "base/strings/safe_sprintf.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/sys_info.h"
 #include "build/build_config.h"
 #include "content/common/child_process_sandbox_support_impl_linux.h"
 #include "content/common/font_config_ipc_linux.h"
+#include "content/common/media/cdm_host_files.h"
 #include "content/common/sandbox_linux/sandbox_debug_handling_linux.h"
 #include "content/common/sandbox_linux/sandbox_linux.h"
 #include "content/common/zygote_commands_linux.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "content/public/common/sandbox_linux.h"
 #include "content/public/common/zygote_fork_delegate_linux.h"
 #include "content/zygote/zygote_linux.h"
 #include "media/media_features.h"
 #include "ppapi/features/features.h"
@@ skipping 311 matching lines @@
   RAND_set_urandom_fd(base::GetUrandomFD());
 
 #if BUILDFLAG(ENABLE_PLUGINS)
   // Ensure access to the Pepper plugins before the sandbox is turned on.
   PreloadPepperPlugins();
 #endif
 #if BUILDFLAG(ENABLE_WEBRTC)
   InitializeWebRtcModule();
 #endif
 
+#if BUILDFLAG(ENABLE_PEPPER_CDMS)
+  CdmHostFiles::CreateGlobalInstance();
+#endif
+
   SkFontConfigInterface::SetGlobal(
       new FontConfigIPC(GetSandboxFD()))->unref();
 
   // Set the android SkFontMgr for blink. We need to ensure this is done
   // before the sandbox is initialized to allow the font manager to access
   // font configuration files on disk.
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kAndroidFontsPath)) {
     std::string android_fonts_dir =
         base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
@@ skipping 285 matching lines @@
   const bool namespace_sandbox_engaged = sandbox_flags & kSandboxLinuxUserNS;
   CHECK_EQ(using_namespace_sandbox, namespace_sandbox_engaged);
 
   Zygote zygote(sandbox_flags, std::move(fork_delegates), extra_children,
                 extra_fds);
   // This function call can return multiple times, once per fork().
   return zygote.ProcessRequests();
 }
 
 }  // namespace content