Remove devtools_bridge component

components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/ServiceLifetimeManager.java

Index: components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/ServiceLifetimeManager.java
diff --git a/components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/ServiceLifetimeManager.java b/components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/ServiceLifetimeManager.java
deleted file mode 100644
index 29f0f3b32b6d01cda61d871032037add885833d3..0000000000000000000000000000000000000000
--- a/components/devtools_bridge/android/java/src/org/chromium/components/devtools_bridge/ServiceLifetimeManager.java
+++ /dev/null
@@ -1,83 +0,0 @@
-// Copyright 2014 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.
-
-package org.chromium.components.devtools_bridge;
-
-import android.app.IntentService;
-import android.app.Service;
-import android.content.Context;
-import android.os.Handler;
-import android.os.Looper;
-import android.os.PowerManager;
-
-/**
- * Tracks count of running tasks and stops the service when all tasks completed. Supposed to be
- * a part of a service.
- *
- * Usage:
- * class MyService extends Service {
- *     public int onStartCommand(Intent intent, int flags, int startId) {
- *         Runnable intentHandlingTask = mLifetimeManager.startTask(startId);
- *         ...
- *         intentHandlingTask.run(); // Stops self if no other task started.
- *         return START_NOT_STICKY;
- *     }
- * }
- */
-class ServiceLifetimeManager {
-    private final Service mService;
-    private final String mWakeLockKey;
-    private int mLastStartId = -1;
-    private int mActiveTasks = 0;
-    private PowerManager.WakeLock mWakeLock;
-
-    public ServiceLifetimeManager(Service service, String wakeLockKey) {
-        // IntentService is incompatible with this class because it manages lifetime on its own.
-        assert !(service instanceof IntentService);
-
-        mService = service;
-        mWakeLockKey = wakeLockKey;
-    }
-
-    public Runnable startTask(int startId) {
-        mLastStartId = startId;
-        return startTask();
-    }
-
-    public Runnable startTask() {
-        assert isCalledOnServiceLooper();
-        if (mActiveTasks == 0) {
-            if (mWakeLock == null) {
-                PowerManager pm = (PowerManager) mService.getSystemService(Context.POWER_SERVICE);
-                mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, mWakeLockKey);
-            }
-            mWakeLock.acquire();
-        }
-        mActiveTasks++;
-        return new TaskCompletionHandler();
-    }
-
-    private boolean isCalledOnServiceLooper() {
-        return mService.getMainLooper() == Looper.myLooper();
-    }
-
-    private class TaskCompletionHandler implements Runnable {
-        private boolean mCompleted = false;
-
-        @Override
-        public void run() {
-            if (!isCalledOnServiceLooper()) {
-                new Handler(mService.getMainLooper()).post(this);
-                return;
-            }
-            if (mCompleted) return;
-
-            if (--mActiveTasks == 0) {
-                mWakeLock.release();
-                mService.stopSelf(mLastStartId);
-            }
-            mCompleted = true;
-        }
-    }
-}