drm_hwcomposer: Remove utils/autolock.*

AutoLock class is no longer used.

Signed-off-by: Roman Stratiienko <roman.o.stratiienko@globallogic.com>
diff --git a/Android.bp b/Android.bp
index 8e99056..b3bceaa 100644
--- a/Android.bp
+++ b/Android.bp
@@ -100,7 +100,6 @@
         "drm/UEventListener.cpp",
         "drm/VSyncWorker.cpp",
 
-        "utils/autolock.cpp",
         "utils/hwcutils.cpp",
 
         "backend/Backend.cpp",
diff --git a/compositor/DrmDisplayCompositor.cpp b/compositor/DrmDisplayCompositor.cpp
index b3a4302..c2e51ee 100644
--- a/compositor/DrmDisplayCompositor.cpp
+++ b/compositor/DrmDisplayCompositor.cpp
@@ -35,7 +35,6 @@
 #include "drm/DrmDevice.h"
 #include "drm/DrmPlane.h"
 #include "drm/DrmUnique.h"
-#include "utils/autolock.h"
 #include "utils/log.h"
 
 namespace android {
diff --git a/utils/autolock.cpp b/utils/autolock.cpp
deleted file mode 100644
index 3afe488..0000000
--- a/utils/autolock.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#define LOG_TAG "hwc-drm-auto-lock"
-
-#include "autolock.h"
-
-#include <pthread.h>
-
-#include <cerrno>
-
-#include "utils/log.h"
-
-namespace android {
-
-int AutoLock::Lock() {
-  if (locked_) {
-    ALOGE("Invalid attempt to double lock AutoLock %s", name_);
-    return -EINVAL;
-  }
-  int ret = pthread_mutex_lock(mutex_);
-  if (ret != 0) {
-    ALOGE("Failed to acquire %s lock %d", name_, ret);
-    return ret;
-  }
-  locked_ = true;
-  return 0;
-}
-
-int AutoLock::Unlock() {
-  if (!locked_) {
-    ALOGE("Invalid attempt to unlock unlocked AutoLock %s", name_);
-    return -EINVAL;
-  }
-  int ret = pthread_mutex_unlock(mutex_);
-  if (ret != 0) {
-    ALOGE("Failed to release %s lock %d", name_, ret);
-    return ret;
-  }
-  locked_ = false;
-  return 0;
-}
-}  // namespace android
diff --git a/utils/autolock.h b/utils/autolock.h
deleted file mode 100644
index 006406a..0000000
--- a/utils/autolock.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#include <pthread.h>
-
-namespace android {
-
-class AutoLock {
- public:
-  AutoLock(pthread_mutex_t *mutex, const char *const name)
-      : mutex_(mutex), name_(name) {
-  }
-  ~AutoLock() {
-    if (locked_)
-      Unlock();
-  }
-
-  AutoLock(const AutoLock &rhs) = delete;
-  AutoLock &operator=(const AutoLock &rhs) = delete;
-
-  int Lock();
-  int Unlock();
-
- private:
-  pthread_mutex_t *const mutex_;
-  bool locked_ = false;
-  const char *const name_;
-};
-}  // namespace android