Update header includes for /base/functional in /chrome/browser part 2

bind.h, callback.h, callback_forward.h, and callback_helpers.h
moved into /base/functional/. Update the include paths to
directly include them in their new location.

Bug: 1364441
Change-Id: I3238298235f919da2cbf064fb35f1cc3ea9ab5e9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4144281
Reviewed-by: Daniel Cheng <[email protected]>
Auto-Submit: Avi Drissman <[email protected]>
Owners-Override: Avi Drissman <[email protected]>
Commit-Queue: Daniel Cheng <[email protected]>
Commit-Queue: Avi Drissman <[email protected]>
Owners-Override: Daniel Cheng <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1089991}
diff --git a/chrome/browser/sharing/ack_message_handler_unittest.cc b/chrome/browser/sharing/ack_message_handler_unittest.cc
index c8a4344..0a51106 100644
--- a/chrome/browser/sharing/ack_message_handler_unittest.cc
+++ b/chrome/browser/sharing/ack_message_handler_unittest.cc
@@ -4,8 +4,8 @@
 
 #include "chrome/browser/sharing/ack_message_handler.h"
 
-#include "base/bind.h"
-#include "base/callback_helpers.h"
+#include "base/functional/bind.h"
+#include "base/functional/callback_helpers.h"
 #include "base/test/mock_callback.h"
 #include "chrome/browser/sharing/mock_sharing_message_sender.h"
 #include "chrome/browser/sharing/proto/sharing_message.pb.h"