Reland of 'Move content/browser/power_save_blocker to //device/power_save_blocker'

device/power_save_blocker/power_save_blocker_jni_registrar.cc

 // Copyright 2015 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.
 
-#include "device/vr/android/vr_jni_registrar.h"
+#include "device/power_save_blocker/power_save_blocker_jni_registrar.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
 #include "base/macros.h"
-#include "device/vr/android/cardboard/cardboard_vr_device.h"
+#include "device/power_save_blocker/power_save_blocker_android.h"
 
 namespace device {
 namespace android {
 namespace {
 
 const base::android::RegistrationMethod kRegisteredMethods[] = {
-    {"CardboardVRDevice", device::CardboardVRDevice::RegisterJNI},
+    {"PowerSaveBlock", device::RegisterPowerSaveBlocker},
 };
 
 }  // namespace
 
-bool RegisterVRJni(JNIEnv* env) {
+bool RegisterPowerSaveBlockerJni(JNIEnv* env) {
   return RegisterNativeMethods(env, kRegisteredMethods,
                                arraysize(kRegisteredMethods));
 }
 
 }  // namespace android
 }  // namespace device