Use a direct include of strings headers in ipc/, jingle/, media/.

BUG=247723
TEST=none
TBR=ben@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16684003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205436 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 4aa794a1fee9d6939225363c3713be22029c7148
diff --git a/ipc/ipc_sync_channel_unittest.cc b/ipc/ipc_sync_channel_unittest.cc
index 4fcb073..f71f874 100644
--- a/ipc/ipc_sync_channel_unittest.cc
+++ b/ipc/ipc_sync_channel_unittest.cc
@@ -14,10 +14,10 @@
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/run_loop.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
+#include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread.h"
-#include "base/synchronization/waitable_event.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sender.h"