Adding Hashed Address to BluetoothLowEnergyDeviceMac

device/BUILD.gn

Index: device/BUILD.gn
diff --git a/device/BUILD.gn b/device/BUILD.gn
index 2f4a202495e834c1b32ac7a36f353a7a6a2d168b..cd875848b9c283a830eb1e61821ea4de1824b561 100644
--- a/device/BUILD.gn
+++ b/device/BUILD.gn
@@ -59,6 +59,7 @@ test("device_unittests") {
     "//testing/gtest",
     "//third_party/mojo/src/mojo/edk/system",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
+    "//third_party/ocmock",
     "//url",
   ]
 
@@ -139,13 +140,14 @@ test("device_unittests") {
 
   if (is_mac) {
     libs = [ "IOBluetooth.framework" ]
+    ldflags = [ "-ObjC" ]
 
     # In the OSX 10.10 SDK, CoreBluetooth became a top level framework.
     # Previously, it was nested in IOBluetooth. In order for Chrome to run on
     # OSes older than OSX 10.10, the top level CoreBluetooth framework must be
     # weakly linked.
     if (mac_sdk_version == "10.10") {
-      ldflags = [ "-weak_framework CoreBluetooth" ]
+      ldflags += [ "-weak_framework CoreBluetooth" ]
     }
   }
 }