Remaining cleanup (base::Bind): Replacing FileUtilProxy calls with new callback

chrome/browser/nacl_host/nacl_process_host.cc

Index: chrome/browser/nacl_host/nacl_process_host.cc
diff --git a/chrome/browser/nacl_host/nacl_process_host.cc b/chrome/browser/nacl_host/nacl_process_host.cc
index 3957c5bf0f85055f93be656caf4542c5bfe4f5b1..ebf3bbfadd4b433a08ae1189c1eba12612b34f57 100644
--- a/chrome/browser/nacl_host/nacl_process_host.cc
+++ b/chrome/browser/nacl_host/nacl_process_host.cc
@@ -10,6 +10,7 @@
 #include <fcntl.h>
 #endif
 
+#include "base/bind.h"
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/stringprintf.h"
@@ -56,7 +57,7 @@ NaClProcessHost::NaClProcessHost(const std::wstring& url)
       reply_msg_(NULL),
       internal_(new NaClInternal()),
       running_on_wow64_(false),
-      ALLOW_THIS_IN_INITIALIZER_LIST(callback_factory_(this)) {
+      ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
   set_name(WideToUTF16Hack(url));
 #if defined(OS_WIN)
   running_on_wow64_ = (base::win::OSInfo::GetInstance()->wow64_status() ==
@@ -263,13 +264,12 @@ void NaClProcessHost::OnProcessLaunched() {
     irt_path = plugin_dir.Append(GetIrtLibraryFilename());
   }
 
-  base::FileUtilProxy::CreateOrOpenCallback* callback =
-      callback_factory_.NewCallback(&NaClProcessHost::OpenIrtFileDone);
   if (!base::FileUtilProxy::CreateOrOpen(
            BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
            irt_path,
            base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
-           callback)) {
+           base::Bind(&NaClProcessHost::OpenIrtFileDone,
+                      weak_factory_.GetWeakPtr()))) {
     delete this;
   }
 }