[Chromoting] Use ProcessStatsSender in DesktopSessionAgent (desktop process)

remoting/host/chromoting_messages.h

 // 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.
 
 #ifndef REMOTING_HOST_CHROMOTING_MESSAGES_H_
 #define REMOTING_HOST_CHROMOTING_MESSAGES_H_
 
 #include <stdint.h>
 
 #include "base/memory/shared_memory_handle.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_platform_file.h"
 #include "remoting/host/chromoting_param_traits.h"
 #include "remoting/host/desktop_environment_options.h"
 #include "remoting/host/screen_resolution.h"
+#include "remoting/proto/process_stats.pb.h"
 #include "remoting/protocol/errors.h"
 #include "remoting/protocol/transport.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 
 #endif  // REMOTING_HOST_CHROMOTING_MESSAGES_H_
 
 // Multiply-included message file, no traditional include guard.
 #include "ipc/ipc_message_macros.h"
 
@@ skipping 232 matching lines @@
 // The array of bytes representing the security key response from the client.
 IPC_MESSAGE_CONTROL1(ChromotingNetworkToRemoteSecurityKeyMsg_Response,
                      std::string /* response bytes */)
 
 // Indicates the channel used for security key message passing is ready for use.
 IPC_MESSAGE_CONTROL0(ChromotingNetworkToRemoteSecurityKeyMsg_ConnectionReady)
 
 // Error indicating the request originated from outside the remoted session.
 // The IPC channel will be disconnected after this message has been sent.
 IPC_MESSAGE_CONTROL0(ChromotingNetworkToRemoteSecurityKeyMsg_InvalidSession)
+
+// Starts to report process resource usage.
+IPC_MESSAGE_CONTROL1(ChromotingNetworkToAnyMsg_StartProcessStatsReport,
+                     int32_t /* interval_ms */)

[dcheng, 2017/06/19 06:22:58]

And just pass a TimeDelta here as well.

[Hzj_jie, 2017/06/19 18:46:43]

I haven't realized we have the convenience to pass a base::TimeDelta through IPC
directly. Updated.

+
+// Stops to report process resource usage.
+IPC_MESSAGE_CONTROL0(ChromotingNetworkToAnyMsg_StopProcessStatsReport)
+
+// Reports process resource usage to network process.
+IPC_MESSAGE_CONTROL1(ChromotingAnyToNetworkMsg_ReportProcessStats,
+                     remoting::protocol::AggregatedProcessResourceUsage)