Replace base::get with std::get

base::get is no longer needed after the linux sysroot update. The new
sysroot has libstdc++-4.8, that has rvalue reference support of
std::tuple.

Review-Url: https://codereview.chromium.org/2797133002
Cr-Commit-Position: refs/heads/master@{#462229}


CrOS-Libchrome-Original-Commit: f7c47573b7686c59723f3b7da6d69f1ec494f23b
diff --git a/base/bind_internal.h b/base/bind_internal.h
index 8988bdc..c8af87d 100644
--- a/base/bind_internal.h
+++ b/base/bind_internal.h
@@ -360,7 +360,7 @@
 
     return InvokeHelper<is_weak_call, R>::MakeItSo(
         std::forward<Functor>(functor),
-        Unwrap(base::get<indices>(std::forward<BoundArgsTuple>(bound)))...,
+        Unwrap(std::get<indices>(std::forward<BoundArgsTuple>(bound)))...,
         std::forward<UnboundArgs>(unbound_args)...);
   }
 };
@@ -393,7 +393,7 @@
                                  const BoundArgsTuple& bound_args,
                                  IndexSequence<indices...>) {
   return CallbackCancellationTraits<Functor, BoundArgsTuple>::IsCancelled(
-      functor, base::get<indices>(bound_args)...);
+      functor, std::get<indices>(bound_args)...);
 }
 
 // Relays |base| to corresponding CallbackCancellationTraits<>::Run(). Returns