Remove redundant field initialization in Java code.

content/public/android/java/src/org/chromium/content/browser/DeviceSensors.java

 // 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.content.browser;
 
 import android.content.Context;
 import android.hardware.Sensor;
 import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
@@ skipping 74 matching lines @@
             Sensor.TYPE_ACCELEROMETER,
             Sensor.TYPE_LINEAR_ACCELERATION,
             Sensor.TYPE_GYROSCOPE);
     static final Set<Integer> DEVICE_LIGHT_SENSORS = CollectionUtil.newHashSet(
             Sensor.TYPE_LIGHT);
 
     @VisibleForTesting
     final Set<Integer> mActiveSensors = new HashSet<Integer>();
     final List<Set<Integer>> mOrientationSensorSets;
     Set<Integer> mDeviceOrientationSensors;
-    boolean mDeviceLightIsActive = false;
-    boolean mDeviceMotionIsActive = false;
-    boolean mDeviceOrientationIsActive = false;
-    boolean mDeviceOrientationIsActiveWithBackupSensors = false;
-    boolean mDeviceOrientationAbsoluteIsActive = false;
-    boolean mOrientationNotAvailable = false;
+    boolean mDeviceLightIsActive;
+    boolean mDeviceMotionIsActive;
+    boolean mDeviceOrientationIsActive;
+    boolean mDeviceOrientationIsActiveWithBackupSensors;
+    boolean mDeviceOrientationAbsoluteIsActive;
+    boolean mOrientationNotAvailable;
 
     protected DeviceSensors(Context context) {
         mAppContext = context.getApplicationContext();
 
         mOrientationSensorSets = CollectionUtil.newArrayList(DEVICE_ORIENTATION_SENSORS_A,
                                                              DEVICE_ORIENTATION_SENSORS_B,
                                                              DEVICE_ORIENTATION_SENSORS_C);
     }
 
     // For orientation we use a 3-way fallback approach where up to 3 different sets of sensors
@@ skipping 583 matching lines @@
             } catch (IllegalArgumentException e) {
                 // Suppress occasional exception on Digma iDxD* devices:
                 // Receiver not registered: android.hardware.SystemSensorManager$1
                 // See crbug.com/596453.
                 Log.w(TAG, "Failed to unregister device sensor " + sensors.get(0).getName());
             }
         }
     }
 
 }