Cleanup various bits of BrowserThreadImpl and PluginServiceImpl.

content/browser/browser_child_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/browser_child_process_host_impl.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 282 matching lines @@
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                           base::Bind(&NotifyProcessHostDisconnected, data_));
   delete delegate_;  // Will delete us
 }
 
 bool BrowserChildProcessHostImpl::Send(IPC::Message* message) {
   return child_process_host_->Send(message);
 }
 
 void BrowserChildProcessHostImpl::OnProcessLaunched() {
-  if (!child_process_->GetHandle()) {
+  base::ProcessHandle handle = child_process_->GetHandle();
+  if (!handle) {
     delete delegate_;  // Will delete us
     return;
   }
 
 #if defined(OS_WIN)
   // Start a WaitableEventWatcher that will invoke OnProcessExitedEarly if the
   // child process exits. This watcher is stopped once the IPC channel is
   // connected and the exit of the child process is detecter by an error on the
   // IPC channel thereafter.
   DCHECK(!early_exit_watcher_.GetWatchedEvent());
   early_exit_watcher_.StartWatching(
-      new base::WaitableEvent(child_process_->GetHandle()),
+      new base::WaitableEvent(handle),
       base::Bind(&BrowserChildProcessHostImpl::OnProcessExitedEarly,
                  base::Unretained(this)));
 #endif
 
-  data_.handle = child_process_->GetHandle();
+  data_.handle = handle;
   delegate_->OnProcessLaunched();
 }
 
 #if defined(OS_WIN)
 
 void BrowserChildProcessHostImpl::DeleteProcessWaitableEvent(
     base::WaitableEvent* event) {
   if (!event)
     return;
 
   // The WaitableEvent does not own the process handle so ensure it does not
   // close it.
   event->Release();
 
   delete event;
 }
 
 void BrowserChildProcessHostImpl::OnProcessExitedEarly(
     base::WaitableEvent* event) {
   DeleteProcessWaitableEvent(event);
   OnChildDisconnected();
 }
 
 #endif
 
 }  // namespace content