Replace ScopedVector/ScopedPtrHashMap with std::vector and std::unordered_map

device/bluetooth/bluetooth_adapter_mac.mm

Index: device/bluetooth/bluetooth_adapter_mac.mm
diff --git a/device/bluetooth/bluetooth_adapter_mac.mm b/device/bluetooth/bluetooth_adapter_mac.mm
index 10f763901184d4b89d06938545d72d305cd030cd..65efd66d2eaf981ed9c9dd686ff50a3e21098773 100644
--- a/device/bluetooth/bluetooth_adapter_mac.mm
+++ b/device/bluetooth/bluetooth_adapter_mac.mm
@@ -502,11 +502,16 @@ void BluetoothAdapterMac::ClassicDeviceAdded(IOBluetoothDevice* device) {
   }
 
   device_classic = new BluetoothClassicDeviceMac(this, device);
-  devices_.set(device_address, base::WrapUnique(device_classic));
   VLOG(1) << "Adding new classic device: " << device_classic->GetAddress();
+  auto insertion = devices_.insert(
+      std::make_pair(device_address, std::move(device_classic)));
+  if (!insertion.second) {
+    VLOG(1) << "Insertion of device_classic failed.";
+    return;
+  }
 
   for (auto& observer : observers_)
-    observer.DeviceAdded(this, device_classic);
+    observer.DeviceAdded(this, insertion.first->second.get());
 }
 
 void BluetoothAdapterMac::LowEnergyDeviceUpdated(
@@ -566,9 +571,15 @@ void BluetoothAdapterMac::LowEnergyDeviceUpdated(
   if (is_new_device) {
     std::string device_address =
         BluetoothLowEnergyDeviceMac::GetPeripheralHashAddress(peripheral);
-    devices_.add(device_address, std::unique_ptr<BluetoothDevice>(device_mac));
+    auto insertion =
+        devices_.insert(std::make_pair(device_address, std::move(device_mac)));
+
+    if (!insertion.second) {
+      VLOG(1) << "Insertion of device_mac failed.";
+      return;
+    }
     for (auto& observer : observers_)
-      observer.DeviceAdded(this, device_mac);
+      observer.DeviceAdded(this, insertion.first->second.get());
   } else {
     for (auto& observer : observers_)
       observer.DeviceChanged(this, device_mac);
@@ -620,8 +631,7 @@ BluetoothAdapterMac::RetrieveGattConnectedDevicesWithService(
       device_mac = new BluetoothLowEnergyDeviceMac(this, peripheral);
       std::string device_address =
           BluetoothLowEnergyDeviceMac::GetPeripheralHashAddress(peripheral);
-      devices_.add(device_address,
-                   std::unique_ptr<BluetoothDevice>(device_mac));
+      devices_.insert(std::make_pair(device_address, std::move(device_mac)));
       for (auto& observer : observers_) {
         observer.DeviceAdded(this, device_mac);
       }
@@ -698,7 +708,7 @@ BluetoothAdapterMac::GetBluetoothLowEnergyDeviceMac(CBPeripheral* peripheral) {
   if (iter == devices_.end()) {
     return nil;
   }
-  return static_cast<BluetoothLowEnergyDeviceMac*>(iter->second);
+  return static_cast<BluetoothLowEnergyDeviceMac*>(iter->second.get());
 }
 
 bool BluetoothAdapterMac::DoesCollideWithKnownDevice(