Use webrtc::MouseCursorMonitor for cursor shapes

remoting/host/ipc_mouse_cursor_monitor.h

Index: remoting/host/ipc_mouse_cursor_monitor.h
diff --git a/remoting/host/ipc_mouse_cursor_monitor.h b/remoting/host/ipc_mouse_cursor_monitor.h
new file mode 100644
index 0000000000000000000000000000000000000000..cdc3405356036382184499764d3be7773f0613b9
--- /dev/null
+++ b/remoting/host/ipc_mouse_cursor_monitor.h
@@ -0,0 +1,46 @@
+// 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.
+
+#ifndef REMOTING_HOST_IPC_MOUSE_CURSOR_MONITOR_H_
+#define REMOTING_HOST_IPC_MOUSE_CURSOR_MONITOR_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "third_party/webrtc/modules/desktop_capture/mouse_cursor_monitor.h"
+
+namespace remoting {
+
+class DesktopSessionProxy;
+
+// Routes webrtc::MouseCursorMonitor calls through the IPC channel to the
+// desktop session agent running in the desktop integration process.
+class IpcMouseCursorMonitor : public webrtc::MouseCursorMonitor {
+ public:
+  explicit IpcMouseCursorMonitor(
+      scoped_refptr<DesktopSessionProxy> desktop_session_proxy);
+  virtual ~IpcMouseCursorMonitor();
+
+  // webrtc::MouseCursorMonitor interface.
+  virtual void Init(Callback* callback, Mode mode) OVERRIDE;
+  virtual void Capture() OVERRIDE;
+
+  // Called when the cursor shape has changed.
+  void OnMouseCursor(scoped_ptr<webrtc::MouseCursor> cursor);
+
+ private:
+  // The callback passed to |webrtc::MouseCursorMonitor::Init()|.
+  webrtc::MouseCursorMonitor::Callback* callback_;
+
+  // Wraps the IPC channel to the desktop session agent.
+  scoped_refptr<DesktopSessionProxy> desktop_session_proxy_;
+
+  // Used to cancel tasks pending on the capturer when it is stopped.
+  base::WeakPtrFactory<IpcMouseCursorMonitor> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(IpcMouseCursorMonitor);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_IPC_MOUSE_CURSOR_MONITOR_H_