Shell: Remove the test child stuff.

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/location.h"
@@ skipping 63 matching lines @@
   platform_channel_pair_.PrepareToPassClientHandleToChildProcess(
       &child_command_line, &handle_passing_info);
 
   base::LaunchOptions options;
 #if defined(OS_WIN)
   options.start_hidden = true;
   options.handles_to_inherit = &handle_passing_info;
 #elif defined(OS_POSIX)
   options.fds_to_remap = &handle_passing_info;
 #endif
+  DVLOG(2) << "Launching child with command line: "
+           << child_command_line.GetCommandLineString();
   child_process_ = base::LaunchProcess(child_command_line, options);
   if (!child_process_.IsValid())
     return false;
 
   platform_channel_pair_.ChildProcessLaunched();
   return true;
 }
 
 void ChildProcessHost::DidLaunch(bool success) {
   delegate_->DidStart(success);
 }
 
 }  // namespace shell
 }  // namespace mojo