[BackgroundSync Cleanup] Remove power observer

content/browser/background_sync/background_sync_service_impl_unittest.cc

Index: content/browser/background_sync/background_sync_service_impl_unittest.cc
diff --git a/content/browser/background_sync/background_sync_service_impl_unittest.cc b/content/browser/background_sync/background_sync_service_impl_unittest.cc
index 650c65709d55653949d954dbb2dbc50ed17017e3..21f312f123a081dd1f68aef91c4822e49d81651e 100644
--- a/content/browser/background_sync/background_sync_service_impl_unittest.cc
+++ b/content/browser/background_sync/background_sync_service_impl_unittest.cc
@@ -10,8 +10,6 @@
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/power_monitor/power_monitor.h"
-#include "base/power_monitor/power_monitor_source.h"
 #include "base/run_loop.h"
 #include "content/browser/background_sync/background_sync_context_impl.h"
 #include "content/browser/background_sync/background_sync_network_observer.h"
@@ -93,12 +91,6 @@ void ErrorAndRegistrationListCallback(
     *out_array_size = registrations.size();
 }
 
-class MockPowerMonitorSource : public base::PowerMonitorSource {
- private:
-  // PowerMonitorSource overrides.
-  bool IsOnBatteryPowerImpl() final { return false; }
-};
-
 }  // namespace
 
 class BackgroundSyncServiceImplTest : public testing::Test {
@@ -151,9 +143,6 @@ class BackgroundSyncServiceImplTest : public testing::Test {
   }
 
   void CreateBackgroundSyncContext() {
-    power_monitor_.reset(
-        new base::PowerMonitor(make_scoped_ptr(new MockPowerMonitorSource())));
-
     background_sync_context_ = new BackgroundSyncContextImpl();
     background_sync_context_->Init(embedded_worker_helper_->context_wrapper());
 
@@ -245,7 +234,6 @@ class BackgroundSyncServiceImplTest : public testing::Test {
   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
   scoped_ptr<EmbeddedWorkerTestHelper> embedded_worker_helper_;
   scoped_ptr<StoragePartitionImpl> storage_partition_impl_;
-  scoped_ptr<base::PowerMonitor> power_monitor_;
   scoped_refptr<BackgroundSyncContextImpl> background_sync_context_;
   int64_t sw_registration_id_;
   scoped_refptr<ServiceWorkerRegistration> sw_registration_;