Apply base_bind_rewriters to //base/callback.h

*** Note: There is no behavior change from this patch. ***

Bug: 714018
Change-Id: I9969eec66114931542e927758553118ebe3a4f2e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1778494Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Yannic Bonenberger <contact@yannic-bonenberger.com>
Auto-Submit: Yannic Bonenberger <contact@yannic-bonenberger.com>
Cr-Commit-Position: refs/heads/master@{#694592}

base/callback.h

@@ -140,7 +140,7 @@ class RepeatingCallback<R(Args...)> : public internal::CallbackBaseCopyable {
     RepeatingCallback cb = std::move(*this);
     PolymorphicInvoke f =
         reinterpret_cast<PolymorphicInvoke>(cb.polymorphic_invoke());
-    return f(cb.bind_state_.get(), std::forward<Args>(args)...);
+    return f(std::move(cb).bind_state_.get(), std::forward<Args>(args)...);
   }
 };