SystemMonitor refactoring: move power state monitor into a separate class called PowerMonitor

testing/android/java/src/org/chromium/native_test/ChromeNativeTestActivity.java

 // 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.
 
 package org.chromium.native_test;
 
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.util.Log;
 
 import org.chromium.base.ChromiumActivity;
 import org.chromium.base.PathUtils;
-import org.chromium.base.SystemMonitor;
+import org.chromium.base.PowerMonitor;
 
 import java.io.File;
 
 // Android's NativeActivity is mostly useful for pure-native code.
 // Our tests need to go up to our own java classes, which is not possible using
 // the native activity class loader.
 public class ChromeNativeTestActivity extends ChromiumActivity {
     private static final String TAG = "ChromeNativeTestActivity";
     private static final String EXTRA_RUN_IN_SUB_THREAD = "RunInSubThread";
     // We post a delayed task to run tests so that we do not block onCreate().
     private static final long RUN_TESTS_DELAY_IN_MS = 300;
 
     // Name of our shlib as obtained from a string resource.
     private String mLibrary;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         mLibrary = getResources().getString(R.string.native_library);
         if ((mLibrary == null) || mLibrary.startsWith("replace")) {
             nativeTestFailed();
             return;
         }
 
         // Needed by path_utils_unittest.cc
         PathUtils.setPrivateDataDirectorySuffix("chrome");
 
         // Needed by system_monitor_unittest.cc
-        SystemMonitor.createForTests(this);
+        PowerMonitor.createForTests(this);
 
 
         loadLibrary();
         Bundle extras = this.getIntent().getExtras();
         if (extras != null && extras.containsKey(EXTRA_RUN_IN_SUB_THREAD)) {
             // Create a new thread and run tests on it.
             new Thread() {
                 @Override
                 public void run() {
                     runTests();
@@ skipping 24 matching lines @@
     }
 
     private void loadLibrary() {
         Log.i(TAG, "loading: " + mLibrary);
         System.loadLibrary(mLibrary);
         Log.i(TAG, "loaded: " + mLibrary);
     }
 
     private native void nativeRunTests(String filesDir, Context appContext);
 }