Move CBCentralManager from the Discovery Manager to Adapter

device/bluetooth/bluetooth_adapter_mac_unittest.mm

Index: device/bluetooth/bluetooth_adapter_mac_unittest.mm
diff --git a/device/bluetooth/bluetooth_adapter_mac_unittest.mm b/device/bluetooth/bluetooth_adapter_mac_unittest.mm
index be0184893fb82da61e416cf1bb7d55f8a3d55050..49fc30becd972a0a7f68eb7928f99658baf77e3e 100644
--- a/device/bluetooth/bluetooth_adapter_mac_unittest.mm
+++ b/device/bluetooth/bluetooth_adapter_mac_unittest.mm
@@ -113,8 +113,7 @@ class BluetoothAdapterMacTest : public testing::Test {
       return false;
     }
     mock_central_manager_ = [[MockCentralManager alloc] init];
-    adapter_mac_->low_energy_discovery_manager_->SetManagerForTesting(
-        mock_central_manager_);
+    adapter_mac_->SetCentralManagerForTesting(mock_central_manager_);
     return true;
   }
 
@@ -145,7 +144,7 @@ class BluetoothAdapterMacTest : public testing::Test {
   scoped_refptr<BluetoothAdapter> adapter_;
   BluetoothAdapterMac* adapter_mac_;
 
-  // Owned by |low_energy_discovery_manager_| on |adapter_mac_|.
+  // Owned by |adapter_mac_|.
   id mock_central_manager_ = NULL;
 
   int callback_count_;