Implement BluetoothLowEnergyWrapperFake for Bluetooth test fixture

device/bluetooth/bluetooth_adapter_unittest.cc

Index: device/bluetooth/bluetooth_adapter_unittest.cc
diff --git a/device/bluetooth/bluetooth_adapter_unittest.cc b/device/bluetooth/bluetooth_adapter_unittest.cc
index 45a52715063081346ddf7ad8df1f440132431b9b..91bd19adf98408f3e1fe7f5c4d3d5f394dcfdd72 100644
--- a/device/bluetooth/bluetooth_adapter_unittest.cc
+++ b/device/bluetooth/bluetooth_adapter_unittest.cc
@@ -538,7 +538,7 @@ TEST_F(BluetoothTest, NoPermissions) {
 }
 #endif  // defined(OS_ANDROID) || defined(OS_MACOSX)
 
-#if defined(OS_ANDROID) || defined(OS_MACOSX)
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 // Discovers a device.
 TEST_F(BluetoothTest, DiscoverLowEnergyDevice) {
   if (!PlatformSupportsLowEnergy()) {
@@ -555,9 +555,9 @@ TEST_F(BluetoothTest, DiscoverLowEnergyDevice) {
   BluetoothDevice* device = adapter_->GetDevice(observer.last_device_address());
   EXPECT_TRUE(device);
 }
-#endif  // defined(OS_ANDROID) || defined(OS_MACOSX)
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
-#if defined(OS_ANDROID) || defined(OS_MACOSX)
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 // Discovers the same device multiple times.
 TEST_F(BluetoothTest, DiscoverLowEnergyDeviceTwice) {
   if (!PlatformSupportsLowEnergy()) {
@@ -581,7 +581,7 @@ TEST_F(BluetoothTest, DiscoverLowEnergyDeviceTwice) {
   EXPECT_EQ(0, observer.device_added_count());
   EXPECT_EQ(1u, adapter_->GetDevices().size());
 }
-#endif  // defined(OS_ANDROID) || defined(OS_MACOSX)
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
 #if defined(OS_ANDROID) || defined(OS_MACOSX)
 // Discovers a device, and then again with new Service UUIDs.
@@ -634,7 +634,7 @@ TEST_F(BluetoothTest, DiscoverLowEnergyDeviceWithUpdatedUUIDs) {
 }
 #endif  // defined(OS_ANDROID) || defined(OS_MACOSX)
 
-#if defined(OS_ANDROID) || defined(OS_MACOSX)
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 // Discovers multiple devices when addresses vary.
 TEST_F(BluetoothTest, DiscoverMultipleLowEnergyDevices) {
   if (!PlatformSupportsLowEnergy()) {
@@ -651,7 +651,7 @@ TEST_F(BluetoothTest, DiscoverMultipleLowEnergyDevices) {
   EXPECT_EQ(2, observer.device_added_count());
   EXPECT_EQ(2u, adapter_->GetDevices().size());
 }
-#endif  // defined(OS_ANDROID) || defined(OS_MACOSX)
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
 #if defined(OS_ANDROID)
 TEST_F(BluetoothTest, TogglePowerFakeAdapter) {