media: Verify CDM Host files

content/app/content_main_runner.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/public/app/content_main_runner.h"
 
 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ skipping 30 matching lines @@
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "components/tracing/browser/trace_config_file.h"
 #include "components/tracing/common/trace_to_console.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "content/app/mojo/mojo_init.h"
 #include "content/browser/browser_main.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/utility_process_host_impl.h"
+#include "content/common/media/cdm_host_files.h"
 #include "content/common/set_process_title.h"
 #include "content/common/url_schemes.h"
 #include "content/gpu/in_process_gpu_thread.h"
 #include "content/public/app/content_main.h"
 #include "content/public/app/content_main_delegate.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
@@ skipping 265 matching lines @@
   if (delegate) delegate->ZygoteForked();
 
   // Zygote::HandleForkRequest may have reallocated the command
   // line so update it here with the new version.
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   std::string process_type =
       command_line.GetSwitchValueASCII(switches::kProcessType);
   ContentClientInitializer::Set(process_type, delegate);
 
+#if BUILDFLAG(ENABLE_PEPPER_CDMS)
+  if (process_type != switches::kPpapiPluginProcess) {
+    DVLOG(1) << "Closing CDM files for non-ppapi process.";
+    CdmHostFiles::TakeGlobalInstance().reset();
+  } else {
+    DVLOG(1) << "Not closing CDM files for ppapi process.";
+  }
+#endif
+
   MainFunctionParams main_params(command_line);
   main_params.zygote_child = true;
 
   std::unique_ptr<base::FieldTrialList> field_trial_list;
   InitializeFieldTrialAndFeatureList(&field_trial_list);
 
   for (size_t i = 0; i < arraysize(kMainFunctions); ++i) {
     if (process_type == kMainFunctions[i].name)
       return kMainFunctions[i].function(main_params);
   }
@@ skipping 507 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content