Revert of Implement BluetoothGattNotifySession::Stop on Android

device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm

Index: device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm
diff --git a/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm b/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm
index cb9ec172d8d2be6e67f040126bb59ee8666328da..27f8902da2657bdcb32eb99e2946c70a678c16ff 100644
--- a/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm
+++ b/device/bluetooth/bluetooth_remote_gatt_characteristic_mac.mm
@@ -10,7 +10,7 @@
 #include "base/threading/thread_task_runner_handle.h"
 #include "device/bluetooth/bluetooth_adapter_mac.h"
 #include "device/bluetooth/bluetooth_device_mac.h"
-#include "device/bluetooth/bluetooth_gatt_notify_session.h"
+#include "device/bluetooth/bluetooth_gatt_notify_session_mac.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service_mac.h"
 
 namespace device {
@@ -134,8 +134,8 @@
     const ErrorCallback& error_callback) {
   if (IsNotifying()) {
     VLOG(2) << "Already notifying. Creating notify session.";
-    std::unique_ptr<BluetoothGattNotifySession> notify_session(
-        new BluetoothGattNotifySession(weak_ptr_factory_.GetWeakPtr()));
+    std::unique_ptr<BluetoothGattNotifySessionMac> notify_session(
+        new BluetoothGattNotifySessionMac(weak_ptr_factory_.GetWeakPtr()));
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(callback, base::Passed(std::move(notify_session))));
@@ -221,22 +221,6 @@
         base::Bind(&BluetoothRemoteGattCharacteristicMac::DidWriteValue,
                    base::Unretained(this), nil));
   }
-}
-
-void BluetoothRemoteGattCharacteristicMac::SubscribeToNotifications(
-    BluetoothRemoteGattDescriptor* ccc_descriptor,
-    const base::Closure& callback,
-    const ErrorCallback& error_callback) {
-  // TODO(http://crbug.com/633191): Implement this method
-  NOTIMPLEMENTED();
-}
-
-void BluetoothRemoteGattCharacteristicMac::UnsubscribeFromNotifications(
-    BluetoothRemoteGattDescriptor* ccc_descriptor,
-    const base::Closure& callback,
-    const ErrorCallback& error_callback) {
-  // TODO(http://crbug.com/633191): Implement this method
-  NOTIMPLEMENTED();
 }
 
 void BluetoothRemoteGattCharacteristicMac::DidUpdateValue(NSError* error) {
@@ -322,7 +306,7 @@
     return;
   }
   for (const auto& callback : reentrant_safe_callbacks) {
-    callback.first.Run(base::MakeUnique<BluetoothGattNotifySession>(
+    callback.first.Run(base::MakeUnique<BluetoothGattNotifySessionMac>(
         weak_ptr_factory_.GetWeakPtr()));
   }
 }