media: Add experimental feature to enable Mojo CDM on desktop Chromium

content/browser/utility_process_host_impl.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/browser/utility_process_host_impl.h"
 
 #include <utility>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
@@ skipping 319 matching lines @@
       cmd_line->AppendSwitchPath(switches::kUtilityProcessAllowedDir,
                                  exposed_dir_);
     }
 
 #if defined(OS_WIN)
     // Let the utility process know if it is intended to be elevated.
     if (run_elevated_)
       cmd_line->AppendSwitch(switches::kUtilityProcessRunningElevated);
 #endif
 
+    BrowserChildProcessHostImpl::CopyFeatureAndFieldTrialFlags(cmd_line.get());
+
     process_->Launch(base::MakeUnique<UtilitySandboxedProcessLauncherDelegate>(
                          exposed_dir_, run_elevated_, no_sandbox_, env_),
                      std::move(cmd_line), true);
   }
 
   return true;
 }
 
 bool UtilityProcessHostImpl::OnMessageReceived(const IPC::Message& message) {
   if (!client_.get())
@@ skipping 43 matching lines @@
     base::WeakPtr<UtilityProcessHostImpl> host,
     int error_code) {
   if (!host)
     return;
 
   host->OnProcessLaunchFailed(error_code);
   delete host.get();
 }
 
 }  // namespace content