media: add video capture device for ARC++ camera HAL v3

media/capture/video/chromeos/mock_video_capture_client.cc

+// Copyright 2017 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.
+
+#include "media/capture/video/chromeos/mock_video_capture_client.h"
+
+#include <string>
+#include <utility>
+
+using testing::_;
+using testing::Invoke;
+
+namespace media {
+namespace unittest_internal {
+
+MockVideoCaptureClient::MockVideoCaptureClient() {
+  ON_CALL(*this, OnError(_, _))
+      .WillByDefault(Invoke(this, &MockVideoCaptureClient::DumpError));
+}
+
+MockVideoCaptureClient::~MockVideoCaptureClient() {
+  if (quit_cb_) {
+    std::move(quit_cb_).Run();
+  }
+}
+
+void MockVideoCaptureClient::SetFrameCb(base::OnceClosure frame_cb) {
+  frame_cb_ = std::move(frame_cb);
+}
+
+void MockVideoCaptureClient::SetQuitCb(base::OnceClosure quit_cb) {
+  quit_cb_ = std::move(quit_cb);
+}
+
+void MockVideoCaptureClient::DumpError(
+    const tracked_objects::Location& location,
+    const std::string& message) {
+  DPLOG(ERROR) << location.ToString() << " " << message;
+}
+
+void MockVideoCaptureClient::OnIncomingCapturedData(
+    const uint8_t* data,
+    int length,
+    const VideoCaptureFormat& format,
+    int rotation,
+    base::TimeTicks reference_time,
+    base::TimeDelta timestamp,
+    int frame_feedback_id) {
+  ASSERT_GT(length, 0);
+  ASSERT_TRUE(data);
+  if (frame_cb_) {
+    std::move(frame_cb_).Run();
+  }
+}
+
+// Trampoline methods to workaround GMOCK problems with std::unique_ptr<>.
+VideoCaptureDevice::Client::Buffer MockVideoCaptureClient::ReserveOutputBuffer(
+    const gfx::Size& dimensions,
+    media::VideoPixelFormat format,
+    media::VideoPixelStorage storage,
+    int frame_feedback_id) {
+  DoReserveOutputBuffer();
+  NOTREACHED() << "This should never be called";
+  return Buffer();
+}
+
+void MockVideoCaptureClient::OnIncomingCapturedBuffer(
+    Buffer buffer,
+    const VideoCaptureFormat& format,
+    base::TimeTicks reference_time,
+    base::TimeDelta timestamp) {
+  DoOnIncomingCapturedBuffer();
+}
+
+void MockVideoCaptureClient::OnIncomingCapturedBufferExt(
+    Buffer buffer,
+    const VideoCaptureFormat& format,
+    base::TimeTicks reference_time,
+    base::TimeDelta timestamp,
+    gfx::Rect visible_rect,
+    const VideoFrameMetadata& additional_metadata) {
+  DoOnIncomingCapturedVideoFrame();
+}
+
+VideoCaptureDevice::Client::Buffer
+MockVideoCaptureClient::ResurrectLastOutputBuffer(
+    const gfx::Size& dimensions,
+    media::VideoPixelFormat format,
+    media::VideoPixelStorage storage,
+    int frame_feedback_id) {
+  DoResurrectLastOutputBuffer();
+  NOTREACHED() << "This should never be called";
+  return Buffer();
+}
+
+}  // namespace unittest_internal
+}  // namespace media