Forward capturer id from desktop process to network 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"
@@ skipping 149 matching lines @@
   IPC_STRUCT_MEMBER(webrtc::DesktopSize, dimensions)
 
   // Time spent in capture. Unit is in milliseconds.
   IPC_STRUCT_MEMBER(int64_t, capture_time_ms)
 
   // Latest event timestamp supplied by the client for performance tracking.
   IPC_STRUCT_MEMBER(int64_t, latest_event_timestamp)
 
   // DPI for this frame.
   IPC_STRUCT_MEMBER(webrtc::DesktopVector, dpi)
+
+  // Capturer Id
+  IPC_STRUCT_MEMBER(uint32_t, capturer_id)
 IPC_STRUCT_END()
 
 IPC_ENUM_TRAITS_MAX_VALUE(webrtc::DesktopCapturer::Result,
                           webrtc::DesktopCapturer::Result::MAX_VALUE)
 
 // Notifies the network process that a shared buffer has been created.
 IPC_MESSAGE_CONTROL2(ChromotingDesktopNetworkMsg_CaptureResult,
                      webrtc::DesktopCapturer::Result /* result */,
                      SerializedDesktopFrame /* frame */)
 
@@ skipping 75 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)