Implementing GATT connection/disconnect on OS X.

device/bluetooth/test/mock_bluetooth_central_manager_mac.mm

Index: device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
diff --git a/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm b/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
index 96e7ce9564303e3180cd52e75d1d9d9f8b149596..4a6e48b4c9a93c7191d86ccc8014ecfb96051cee 100644
--- a/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
+++ b/device/bluetooth/test/mock_bluetooth_central_manager_mac.mm
@@ -4,12 +4,15 @@
 
 #import "mock_bluetooth_central_manager_mac.h"
 
+#import "mock_bluetooth_cbperipheral_mac.h"
+
 @implementation MockCentralManager
 
 @synthesize scanForPeripheralsCallCount = _scanForPeripheralsCallCount;
 @synthesize stopScanCallCount = _stopScanCallCount;
 @synthesize delegate = _delegate;
 @synthesize state = _state;
+@synthesize connectPeripheralCallCount = _connectPeripheralCallCount;
 
 - (void)scanForPeripheralsWithServices:(NSArray*)serviceUUIDs
                                options:(NSDictionary*)options {
@@ -20,4 +23,14 @@
   _stopScanCallCount++;
 }
 
+- (void)connectPeripheral:(CBPeripheral*)peripheral
+                  options:(NSDictionary*)options {
+  _connectPeripheralCallCount++;
+}
+
+- (void)cancelPeripheralConnection:(CBPeripheral*)peripheral {
+  MockCBPeripheral* mockPeripheral = (MockCBPeripheral*)peripheral;
+  [mockPeripheral setStateForTesting:CBPeripheralStateDisconnected];
+}
+
 @end