Video Capture Mojo (1.4b): Implement ability to use fake device instance

services/video_capture/mock_video_capture_device_client.h

Index: services/video_capture/mock_video_capture_device_client.h
diff --git a/services/video_capture/mock_video_capture_device_client.h b/services/video_capture/mock_video_capture_device_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..58c46189845fcc5aa75c92e28fe98d1e5843ce76
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+++ b/services/video_capture/mock_video_capture_device_client.h
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SERVICES_VIDEO_CAPTURE_MOCK_VIDEO_CAPTURE_DEVICE_CLIENT_H_
+#define SERVICES_VIDEO_CAPTURE_MOCK_VIDEO_CAPTURE_DEVICE_CLIENT_H_
+
+#include "mojo/public/cpp/bindings/binding.h"
+#include "services/video_capture/public/interfaces/video_capture_device_client.mojom.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace video_capture {
+
+class MockVideoCaptureDeviceClient : public mojom::VideoCaptureDeviceClient {
+ public:
+  MockVideoCaptureDeviceClient(mojom::VideoCaptureDeviceClientRequest request);
+  ~MockVideoCaptureDeviceClient() override;
+
+  // Use forwarding method to work around gmock not supporting move-only types.
+  void OnFrameAvailable(media::mojom::VideoFramePtr frame) override;
+
+  MOCK_METHOD1(OnFrameAvailablePtr, void(media::mojom::VideoFramePtr* frame));
+  MOCK_METHOD1(OnError, void(const std::string&));
+
+ private:
+  const mojo::Binding<mojom::VideoCaptureDeviceClient> binding_;
+};
+
+}  // namespace video_capture
+
+#endif  // SERVICES_VIDEO_CAPTURE_MOCK_VIDEO_CAPTURE_DEVICE_CLIENT_H_