[Mojo Video Capture] Cleanup naming of classes/files in services/video_capture

services/video_capture/mock_video_capture_device_impl.cc

Index: services/video_capture/mock_video_capture_device_impl.cc
diff --git a/services/video_capture/mock_video_capture_device_impl.cc b/services/video_capture/mock_video_capture_device_impl.cc
deleted file mode 100644
index 3b3d5951accbed2b82684d4bfa3bf11920c216c9..0000000000000000000000000000000000000000
--- a/services/video_capture/mock_video_capture_device_impl.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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.
-
-#include "services/video_capture/mock_video_capture_device_impl.h"
-
-namespace video_capture {
-
-MockVideoCaptureDeviceImpl::MockVideoCaptureDeviceImpl(
-    mojom::MockVideoCaptureDeviceRequest request)
-    : binding_(this, std::move(request)) {}
-
-MockVideoCaptureDeviceImpl::~MockVideoCaptureDeviceImpl() = default;
-
-void MockVideoCaptureDeviceImpl::AllocateAndStart(
-    mojom::MockDeviceClientPtr client) {
-  AllocateAndStartPtr(&client);
-}
-
-}  // namespace video_capture