bluetooth: Browser-side implementation of getCharacteristic

device/bluetooth/test/mock_bluetooth_gatt_service.h

Index: device/bluetooth/test/mock_bluetooth_gatt_service.h
diff --git a/device/bluetooth/test/mock_bluetooth_gatt_service.h b/device/bluetooth/test/mock_bluetooth_gatt_service.h
index b03adfae16b6c22e65a3a948203add3eaee28661..b85e525967b15ff2e557d9fa0891045a263b3d7c 100644
--- a/device/bluetooth/test/mock_bluetooth_gatt_service.h
+++ b/device/bluetooth/test/mock_bluetooth_gatt_service.h
@@ -8,8 +8,10 @@
 #include <string>
 #include <vector>
 
+#include "base/memory/scoped_vector.h"
 #include "device/bluetooth/bluetooth_gatt_service.h"
 #include "device/bluetooth/bluetooth_uuid.h"
+#include "device/bluetooth/test/mock_bluetooth_gatt_characteristic.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace device {
@@ -41,7 +43,22 @@ class MockBluetoothGattService : public BluetoothGattService {
   MOCK_METHOD2(Register, void(const base::Closure&, const ErrorCallback&));
   MOCK_METHOD2(Unregister, void(const base::Closure&, const ErrorCallback&));
 
+  // BluetoothService manages the lifetime of its BluetoothGATTCharacteristics.
+  // This methods takes ownership of the BluetoothGATTCharacteristics. This is
+  // only for convenience as far as testing is concerned, and it's possible to
+  // write test cases without using these functions.
+  // Example:
+  // ON_CALL(*mock_service, GetCharacteristics))
+  //   .WillByDefault(Invoke(
+  //     *mock_service,
+  //      &MockBluetoothGattService::GetMockCharacteristics));
+  void AddMockCharacteristic(
+      scoped_ptr<MockBluetoothGattCharacteristic> mock_characteristic);
+  std::vector<BluetoothGattCharacteristic*> GetMockCharacteristics() const;
+
  private:
+  ScopedVector<MockBluetoothGattCharacteristic> mock_characteristics_;
+
   DISALLOW_COPY_AND_ASSIGN(MockBluetoothGattService);
 };