The first 3 BluetoothTest.* unit tests now running on Mac as well.

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 0bff39aaa31ee343ca82ef3a1804d6c60391bbe6..2af3924742e5ef0682460fa444c39df14cadcb16 100644
--- a/device/bluetooth/bluetooth_adapter_mac.mm
+++ b/device/bluetooth/bluetooth_adapter_mac.mm
@@ -54,9 +54,21 @@ base::WeakPtr<BluetoothAdapter> BluetoothAdapterMac::CreateAdapter() {
   return adapter->weak_ptr_factory_.GetWeakPtr();
 }
 
+// static
+base::WeakPtr<BluetoothAdapter> BluetoothAdapterMac::CreateAdapterForTest(
+    std::string name,
+    std::string address,
+    scoped_refptr<base::SequencedTaskRunner> ui_task_runner) {
+  BluetoothAdapterMac* adapter = new BluetoothAdapterMac();
+  adapter->InitForTest(ui_task_runner);
+  adapter->name_ = name;
+  adapter->address_ = address;
+  return adapter->weak_ptr_factory_.GetWeakPtr();
+}
+
 BluetoothAdapterMac::BluetoothAdapterMac()
     : BluetoothAdapter(),
-      powered_(false),
+      classic_powered_(false),
       num_discovery_sessions_(0),
       classic_discovery_manager_(
           BluetoothDiscoveryManagerMac::CreateClassic(this)),
@@ -100,11 +112,21 @@ bool BluetoothAdapterMac::IsInitialized() const {
 }
 
 bool BluetoothAdapterMac::IsPresent() const {
-  return !address_.empty();
+  bool is_present = !address_.empty();
+  if (IsLowEnergyAvailable()) {
+    is_present = is_present || ([low_energy_central_manager_ state] ==
+                                CBCentralManagerStatePoweredOn);
+  }
+  return is_present;
 }
 
 bool BluetoothAdapterMac::IsPowered() const {
-  return powered_;
+  bool is_powered = classic_powered_;
+  if (IsLowEnergyAvailable()) {
+    is_powered = is_powered || ([low_energy_central_manager_ state] ==
+                                CBCentralManagerStatePoweredOn);
+  }
+  return is_powered;
 }
 
 void BluetoothAdapterMac::SetPowered(bool powered,
@@ -197,6 +219,16 @@ bool BluetoothAdapterMac::IsLowEnergyAvailable() {
   return base::mac::IsOSYosemiteOrLater();
 }
 
+void BluetoothAdapterMac::SetCentralManagerForTesting(
+    CBCentralManager* central_manager) {
+  CHECK(BluetoothAdapterMac::IsLowEnergyAvailable());
+  [central_manager performSelector:@selector(setDelegate:)
+                        withObject:low_energy_central_manager_delegate_];
+  low_energy_central_manager_.reset(central_manager);
+  low_energy_discovery_manager_->SetCentralManager(
+      low_energy_central_manager_.get());
+}
+
 void BluetoothAdapterMac::RemovePairingDelegateInternal(
     BluetoothDevice::PairingDelegate* pairing_delegate) {
 }
@@ -331,7 +363,7 @@ void BluetoothAdapterMac::PollAdapter() {
           "461181 BluetoothAdapterMac::PollAdapter::Start"));
   bool was_present = IsPresent();
   std::string address;
-  bool powered = false;
+  bool classic_powered = false;
   IOBluetoothHostController* controller =
       [IOBluetoothHostController defaultController];
 
@@ -343,7 +375,7 @@ void BluetoothAdapterMac::PollAdapter() {
   if (controller != nil) {
     address = BluetoothDevice::CanonicalizeAddress(
         base::SysNSStringToUTF8([controller addressAsString]));
-    powered = ([controller powerState] == kBluetoothHCIPowerStateON);
+    classic_powered = ([controller powerState] == kBluetoothHCIPowerStateON);
 
     // For performance reasons, cache the adapter's name. It's not uncommon for
     // a call to [controller nameAsString] to take tens of milliseconds. Note
@@ -373,10 +405,10 @@ void BluetoothAdapterMac::PollAdapter() {
   tracked_objects::ScopedTracker tracking_profile4(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "461181 BluetoothAdapterMac::PollAdapter::AdapterPowerChanged"));
-  if (powered_ != powered) {
-    powered_ = powered;
+  if (classic_powered_ != classic_powered) {
+    classic_powered_ = classic_powered;
     FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
-                      AdapterPoweredChanged(this, powered_));
+                      AdapterPoweredChanged(this, classic_powered_));
   }
 
   // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/461181
@@ -489,14 +521,4 @@ void BluetoothAdapterMac::AddPairedDevices() {
   }
 }
 
-void BluetoothAdapterMac::SetCentralManagerForTesting(
-    CBCentralManager* central_manager) {
-  CHECK(BluetoothAdapterMac::IsLowEnergyAvailable());
-  [central_manager performSelector:@selector(setDelegate:)
-                        withObject:low_energy_central_manager_delegate_];
-  low_energy_central_manager_.reset(central_manager);
-  low_energy_discovery_manager_->SetCentralManager(
-      low_energy_central_manager_.get());
-}
-
 }  // namespace device