Clone of chromium aad1ce808763f59c7a3753e08f1500a104ecc6fd refs/remotes/origin/HEAD
diff --git a/base/prefs/mock_pref_change_callback.cc b/base/prefs/mock_pref_change_callback.cc
new file mode 100644
index 0000000..96b7197
--- /dev/null
+++ b/base/prefs/mock_pref_change_callback.cc
@@ -0,0 +1,24 @@
+// Copyright (c) 2011 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/prefs/mock_pref_change_callback.h"
+
+#include "base/bind.h"
+
+MockPrefChangeCallback::MockPrefChangeCallback(PrefService* prefs)
+ : prefs_(prefs) {
+}
+
+MockPrefChangeCallback::~MockPrefChangeCallback() {}
+
+PrefChangeRegistrar::NamedChangeCallback MockPrefChangeCallback::GetCallback() {
+ return base::Bind(&MockPrefChangeCallback::OnPreferenceChanged,
+ base::Unretained(this));
+}
+
+void MockPrefChangeCallback::Expect(const std::string& pref_name,
+ const base::Value* value) {
+ EXPECT_CALL(*this, OnPreferenceChanged(pref_name))
+ .With(PrefValueMatches(prefs_, pref_name, value));
+}
