Use webrtc::MouseCursorMonitor for cursor shapes

remoting/host/ipc_mouse_cursor_monitor.cc

Index: remoting/host/ipc_mouse_cursor_monitor.cc
diff --git a/remoting/host/ipc_mouse_cursor_monitor.cc b/remoting/host/ipc_mouse_cursor_monitor.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e4f4bc3f80b077dd7c4b24e2a2f0fc412af87614
--- /dev/null
+++ b/remoting/host/ipc_mouse_cursor_monitor.cc
@@ -0,0 +1,42 @@
+// Copyright 2013 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/ipc_mouse_cursor_monitor.h"
+
+#include "remoting/host/desktop_session_proxy.h"
+#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
+
+namespace remoting {
+
+IpcMouseCursorMonitor::IpcMouseCursorMonitor(
+    scoped_refptr<DesktopSessionProxy> desktop_session_proxy)
+    : callback_(NULL),
+      desktop_session_proxy_(desktop_session_proxy),
+      weak_factory_(this) {
+}
+
+IpcMouseCursorMonitor::~IpcMouseCursorMonitor() {}
+
+void IpcMouseCursorMonitor::Init(Callback* callback, Mode mode) {
+  DCHECK(!callback_);
+  DCHECK(callback);
+  DCHECK_EQ(webrtc::MouseCursorMonitor::SHAPE_ONLY, mode);
+  callback_ = callback;
+  desktop_session_proxy_->SetMouseCursorMonitor(weak_factory_.GetWeakPtr());
+}
+
+void IpcMouseCursorMonitor::Capture() {
+  // Ignore. DesktopSessionAgent will capture the cursor at the same time it
+  // captures a screen frame when |IpcVideoFrameCapturer::Capture()| is called.
+  // This saves an IPC roundtrip.
+}
+
+void IpcMouseCursorMonitor::OnMouseCursor(
+    scoped_ptr<webrtc::MouseCursor> cursor) {
+  DCHECK(callback_);
+  callback_->OnMouseCursor(cursor.release());
+}
+
+}  // namespace remoting
+