EDK: Make PlatformChannelPair not depend/use on base::CommandLine.

shell/child_process_host.cc

 // Copyright 2014 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 "shell/child_process_host.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 118 matching lines @@
   };
 
   base::CommandLine child_command_line(launch_data->child_path);
   child_command_line.CopySwitchesFrom(*base::CommandLine::ForCurrentProcess(),
                                       kForwardSwitches,
                                       arraysize(kForwardSwitches));
   child_command_line.AppendSwitchASCII(switches::kChildConnectionId,
                                        launch_data->child_connection_id);
 
   mojo::embedder::HandlePassingInformation handle_passing_info;
+  std::string platform_channel_info;
   launch_data->platform_channel_pair.PrepareToPassClientHandleToChildProcess(
-      &child_command_line, &handle_passing_info);
+      &platform_channel_info, &handle_passing_info);
+  child_command_line.AppendSwitchASCII(switches::kPlatformChannelHandleInfo,
+                                       platform_channel_info);
 
   base::LaunchOptions options;
   options.fds_to_remap = &handle_passing_info;
 #if defined(OS_LINUX)
   options.allow_new_privs = launch_data->options.allow_new_privs;
 #endif
   DVLOG(2) << "Launching child with command line: "
            << child_command_line.GetCommandLineString();
   base::Process child_process =
       base::LaunchProcess(child_command_line, options);
   if (child_process.IsValid())
     launch_data->platform_channel_pair.ChildProcessLaunched();
   return child_process.Pass();
 }
 
 void ChildProcessHost::AppCompleted(int32_t result) {
   if (!on_app_complete_.is_null()) {
     auto on_app_complete = on_app_complete_;
     on_app_complete_.reset();
     on_app_complete.Run(result);
   }
 }
 
 void ChildProcessHost::OnConnectionError() {
   AppCompleted(MOJO_RESULT_UNKNOWN);
 }
 
 }  // namespace shell