Use a direct include of strings headers in chrome/browser/ui/cocoa/.

BUG=247723
TEST=none
[email protected]

Review URL: https://chromiumcodereview.appspot.com/16012017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205315 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/ui/cocoa/status_bubble_mac.mm b/chrome/browser/ui/cocoa/status_bubble_mac.mm
index 4e93e8c..99f8d98 100644
--- a/chrome/browser/ui/cocoa/status_bubble_mac.mm
+++ b/chrome/browser/ui/cocoa/status_bubble_mac.mm
@@ -10,7 +10,7 @@
 #include "base/compiler_specific.h"
 #include "base/mac/mac_util.h"
 #include "base/message_loop.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #import "chrome/browser/ui/cocoa/bubble_view.h"