Coverity: fix wrong assignment in swap in TranslateInfoBarDelegate2::GetAfterTranslateStrings.

chrome/browser/translate/translate_infobar_delegate2.cc

Index: chrome/browser/translate/translate_infobar_delegate2.cc
diff --git a/chrome/browser/translate/translate_infobar_delegate2.cc b/chrome/browser/translate/translate_infobar_delegate2.cc
index 9b5395bf1b5c40450fde4ab73f63a8285044a9ce..5db8e1a72c1701c689642b2983aac5a6d31b18df 100644
--- a/chrome/browser/translate/translate_infobar_delegate2.cc
+++ b/chrome/browser/translate/translate_infobar_delegate2.cc
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <algorithm>
+
 #include "chrome/browser/translate/translate_infobar_delegate2.h"
 
 #include "app/l10n_util.h"
@@ -283,9 +285,7 @@ void TranslateInfoBarDelegate2::GetAfterTranslateStrings(
 
   if (offsets[0] > offsets[1]) {
     // Target language comes before source.
-    int tmp = offsets[0];
-    offsets[0] = offsets[0];
-    offsets[1] = tmp;
+    std::swap(offsets[0], offsets[1]);
     *swap_languages = true;
   } else {
     *swap_languages = false;