Re-write many calls to WrapUnique() with MakeUnique()

media/capture/video/fake_video_capture_device_unittest.cc

Index: media/capture/video/fake_video_capture_device_unittest.cc
diff --git a/media/capture/video/fake_video_capture_device_unittest.cc b/media/capture/video/fake_video_capture_device_unittest.cc
index 6cf58e15a3a11d68780db3c01efd3878176c6740..c7ced696c9a2b5457746f47d40e7aaf72d7a2882 100644
--- a/media/capture/video/fake_video_capture_device_unittest.cc
+++ b/media/capture/video/fake_video_capture_device_unittest.cc
@@ -89,8 +89,7 @@ class MockClient : public VideoCaptureDevice::Client {
                  storage == media::PIXEL_STORAGE_GPUMEMORYBUFFER));
     EXPECT_GT(dimensions.GetArea(), 0);
     const VideoCaptureFormat frame_format(dimensions, 0.0, format);
-    return base::WrapUnique(
-        new MockBuffer(0, frame_format.ImageAllocationSize()));
+    return base::MakeUnique<MockBuffer>(0, frame_format.ImageAllocationSize());
   }
   void OnIncomingCapturedBuffer(std::unique_ptr<Buffer> buffer,
                                 const VideoCaptureFormat& frame_format,