DO NOT SUBMIT. Stub implementation of FakeBluetooth mojo interface

device/bluetooth/bluetooth_adapter_factory.cc

Index: device/bluetooth/bluetooth_adapter_factory.cc
diff --git a/device/bluetooth/bluetooth_adapter_factory.cc b/device/bluetooth/bluetooth_adapter_factory.cc
index e542638aef15f4f66bb0fbf3d5d49c79d908354c..e31754408cc8e3e21908ce9bfc2f4b6317968f43 100644
--- a/device/bluetooth/bluetooth_adapter_factory.cc
+++ b/device/bluetooth/bluetooth_adapter_factory.cc
@@ -54,6 +54,10 @@ void RunAdapterCallbacks() {
 }  // namespace
 
 // static
+bool BluetoothAdapterFactory::availability_set_ = false;
+bool BluetoothAdapterFactory::low_energy_available_ = false;
+
+// static
 bool BluetoothAdapterFactory::IsBluetoothAdapterAvailable() {
   // SetAdapterForTesting() may be used to provide a test or mock adapter
   // instance even on platforms that would otherwise not support it.
@@ -71,6 +75,10 @@ bool BluetoothAdapterFactory::IsBluetoothAdapterAvailable() {
 bool BluetoothAdapterFactory::IsLowEnergyAvailable() {
   DCHECK(IsBluetoothAdapterAvailable());
 
+  if (availability_set_) {
+    return low_energy_available_;
+  }
+
   // SetAdapterForTesting() may be used to provide a test or mock adapter
   // instance even on platforms that would otherwise not support it.
   if (default_adapter.Get())
@@ -121,6 +129,12 @@ void BluetoothAdapterFactory::Shutdown() {
 #endif
 
 // static
+void BluetoothAdapterFactory::SetAvailability(bool available) {
+  availability_set_ = true;
+  low_energy_available_ = available;
+}
+
+// static
 void BluetoothAdapterFactory::SetAdapterForTesting(
     scoped_refptr<BluetoothAdapter> adapter) {
   default_adapter.Get() = adapter->GetWeakPtrForTesting();