Wait properly for renderer crashes

content/browser/browser_child_process_host.cc

 // Copyright (c) 2011 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/browser_child_process_host.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 71 matching lines @@
 
   content::GetContentClient()->browser()->AppendExtraCommandLineSwitches(
       cmd_line, id());
 
   child_process_.reset(new ChildProcessLauncher(
 #if defined(OS_WIN)
       exposed_dir,
 #elif defined(OS_POSIX)
       use_zygote,
       environ,
-      channel()->GetClientFileDescriptor(),
+      channel()->TakeClientFileDescriptor(),
 #endif
       cmd_line,
       &client_));
 }
 
 base::ProcessHandle BrowserChildProcessHost::GetChildProcessHandle() const {
   DCHECK(child_process_.get())
       << "Requesting a child process handle before launching.";
   DCHECK(child_process_->GetHandle())
       << "Requesting a child process handle before launch has completed OK.";
@@ skipping 99 matching lines @@
 
     return *iterator_;
   } while (true);
 
   return NULL;
 }
 
 bool BrowserChildProcessHost::Iterator::Done() {
   return iterator_ == g_child_process_list.Get().end();
 }