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diff --git a/variablespeed/jni/no_synchronization.h b/variablespeed/jni/no_synchronization.h
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-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef FRAMEWORKS_EX_VARIABLESPEED_JNI_NO_SYNCHRONIZATION_H_
-#define FRAMEWORKS_EX_VARIABLESPEED_JNI_NO_SYNCHRONIZATION_H_
-
-#include <macros.h>
-
-// We don't need any synchronization at the moment.
-// The sola_time_scaler (which is the code that uses this mutex class) is
-// currently being used in a single-threaded manner, driven from the main
-// PlayFromThisSource method in variablespeed.
-// As such no locking is actually required, and so this class contains a
-// fake mutex that does nothing.
-
-class Mutex {
- public:
- Mutex() {}
- virtual ~Mutex() {}
- void Lock() {}
- void Unlock() {}
-
- private:
- DISALLOW_COPY_AND_ASSIGN(Mutex);
-};
-
-class MutexLock {
- public:
- explicit MutexLock(Mutex* mu) : mu_(mu) {}
- virtual ~MutexLock() {}
-
- private:
- Mutex* const mu_;
- DISALLOW_COPY_AND_ASSIGN(MutexLock);
-};
-
-#endif // FRAMEWORKS_EX_VARIABLESPEED_JNI_NO_SYNCHRONIZATION_H_