Replacing SurfaceReferenceBase and SequenceSurfaceReference with Closures

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 97 matching lines @@
   // Resetting should bring us back to empty.
   ASSERT_FALSE(callback_a_.is_null());
   ASSERT_FALSE(callback_a_.Equals(null_callback_));
 
   callback_a_.Reset();
 
   EXPECT_TRUE(callback_a_.is_null());
   EXPECT_TRUE(callback_a_.Equals(null_callback_));
 }
 
+TEST_F(CallbackTest, Move) {
+  // Moving should reset the callback.
+  ASSERT_FALSE(callback_a_.is_null());
+  ASSERT_FALSE(callback_a_.Equals(null_callback_));
+
+  auto tmp = std::move(callback_a_);
+
+  EXPECT_TRUE(callback_a_.is_null());
+  EXPECT_TRUE(callback_a_.Equals(null_callback_));
+}
+
 struct TestForReentrancy {
   TestForReentrancy()
       : cb_already_run(false),
         cb(Bind(&TestForReentrancy::AssertCBIsNull, Unretained(this))) {
   }
   void AssertCBIsNull() {
     ASSERT_TRUE(cb.is_null());
     cb_already_run = true;
   }
   bool cb_already_run;
@@ skipping 35 matching lines @@
 
 TEST_F(CallbackTest, CallbackHasLastRefOnContainingObject) {
   bool deleted = false;
   CallbackOwner* owner = new CallbackOwner(&deleted);
   owner->Reset();
   ASSERT_TRUE(deleted);
 }
 
 }  // namespace
 }  // namespace base