Add VideoStream interface.

remoting/host/mouse_clamping_filter.cc

-// Copyright (c) 2012 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 "remoting/host/mouse_clamping_filter.h"
-
-#include "remoting/proto/event.pb.h"
-#include "remoting/proto/video.pb.h"
-
-namespace remoting {
-
-MouseClampingFilter::MouseClampingFilter(
-    protocol::InputStub* input_stub)
-    : input_filter_(input_stub),
-      video_stub_(nullptr) {
-}
-
-MouseClampingFilter::~MouseClampingFilter() {
-}
-
-void MouseClampingFilter::ProcessVideoPacket(
-    scoped_ptr<VideoPacket> video_packet,
-    const base::Closure& done) {
-  // Configure the MouseInputFilter to clamp to the video dimensions.
-  if (video_packet->format().has_screen_width() &&
-      video_packet->format().has_screen_height()) {
-    webrtc::DesktopSize screen_size =
-        webrtc::DesktopSize(video_packet->format().screen_width(),
-                            video_packet->format().screen_height());
-    input_filter_.set_input_size(screen_size);
-    input_filter_.set_output_size(screen_size);
-  }
-
-  video_stub_->ProcessVideoPacket(video_packet.Pass(), done);
-}
-
-}  // namespace remoting