Remove RunMixin from base::Callback implementation

base/callback_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/callback.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 130 matching lines @@
 
 TEST_F(CallbackTest, ResetAndReturn) {
   TestForReentrancy tfr;
   ASSERT_FALSE(tfr.cb.is_null());
   ASSERT_FALSE(tfr.cb_already_run);
   ResetAndReturn(&tfr.cb).Run();
   ASSERT_TRUE(tfr.cb.is_null());
   ASSERT_TRUE(tfr.cb_already_run);
 }
 
+TEST_F(CallbackTest, NullAfterMoveRun) {
+  Closure cb = Bind([] {});
+  ASSERT_TRUE(cb);
+  std::move(cb).Run();
+  ASSERT_FALSE(cb);
+
+  const Closure cb2 = Bind([] {});
+  ASSERT_TRUE(cb2);
+  std::move(cb2).Run();
+  ASSERT_TRUE(cb2);
+
+  OnceClosure cb3 = BindOnce([] {});
+  ASSERT_TRUE(cb3);
+  std::move(cb3).Run();
+  ASSERT_FALSE(cb3);
+}
+
 class CallbackOwner : public base::RefCounted<CallbackOwner> {
  public:
   explicit CallbackOwner(bool* deleted) {
     callback_ = Bind(&CallbackOwner::Unused, this);
     deleted_ = deleted;
   }
   void Reset() {
     callback_.Reset();
     // We are deleted here if no-one else had a ref to us.
   }
@@ skipping 13 matching lines @@
 
 TEST_F(CallbackTest, CallbackHasLastRefOnContainingObject) {
   bool deleted = false;
   CallbackOwner* owner = new CallbackOwner(&deleted);
   owner->Reset();
   ASSERT_TRUE(deleted);
 }
 
 }  // namespace
 }  // namespace base