Use a direct include of strings headers in remoting/.

BUG=247723
TEST=none
[email protected]

Review URL: https://chromiumcodereview.appspot.com/16181013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205464 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/remoting/host/disconnect_window_gtk.cc b/remoting/host/disconnect_window_gtk.cc
index 11f63bf..f5dacf2 100644
--- a/remoting/host/disconnect_window_gtk.cc
+++ b/remoting/host/disconnect_window_gtk.cc
@@ -7,7 +7,7 @@
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "remoting/host/client_session_control.h"
 #include "remoting/host/host_window.h"