Split SelLdrLauncher into SelLdrLauncher{Standalone,Chrome} classes

src/trusted/nonnacl_util/sel_ldr_launcher_chrome.cc

 // Copyright (c) 2012 The Native Client 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 "native_client/src/include/portability.h"
 #include "native_client/src/trusted/nonnacl_util/sel_ldr_launcher.h"
 #include "native_client/src/trusted/plugin/nacl_entry_points.h"
 
 #if NACL_WINDOWS
 # include <windows.h>
 #endif
 
 LaunchNaClProcessFunc launch_nacl_process = NULL;
 
-#if !defined(NACL_STANDALONE)
 namespace nacl {
-bool SelLdrLauncher::Start(const char* url) {
+bool SelLdrLauncherChrome::Start(const char* url) {
   // send a synchronous message to the browser process
   // TODO(mseaborn): Remove the nacl_proc_handle and nacl_proc_id
   // arguments.  Chromium is being changed not to give the renderer
   // the Windows handle of the NaCl process.
   Handle nacl_proc_handle;
   int nacl_proc_id;
   // TODO(sehr): This is asserted to be one.  Remove this parameter.
   static const int kNumberOfChannelsToBeCreated = 1;
   if (!launch_nacl_process ||
       !launch_nacl_process(url,
                            kNumberOfChannelsToBeCreated,
                            &channel_,
                            &nacl_proc_handle,
                            &nacl_proc_id)) {
     return false;
   }
 
-  CloseHandlesAfterLaunch();
 #if NACL_WINDOWS
   if (nacl_proc_handle != kInvalidHandle &&
       nacl_proc_handle != NULL) {
     CloseHandle(nacl_proc_handle);
   }
 #endif
   return true;
 }
 
-bool SelLdrLauncher::Start(int socket_count,
-                           Handle* result_sockets,
-                           const char* url) {
-  UNREFERENCED_PARAMETER(socket_count);
-  UNREFERENCED_PARAMETER(result_sockets);
-  return Start(url);
-}
 }  // namespace
-#endif  // !defined(NACL_STANDALONE)