Touch Events capability negotiation

remoting/host/desktop_session_proxy.cc

Index: remoting/host/desktop_session_proxy.cc
diff --git a/remoting/host/desktop_session_proxy.cc b/remoting/host/desktop_session_proxy.cc
index 7d1fc7e4f0ecd63a1802e427d059152c768306e6..69545ae16ab9ef1b3e217e2566d81d983f5c8ed0 100644
--- a/remoting/host/desktop_session_proxy.cc
+++ b/remoting/host/desktop_session_proxy.cc
@@ -36,6 +36,7 @@
 const bool kReadOnly = true;
 const char kSendInitialResolution[] = "sendInitialResolution";
 const char kRateLimitResizeRequests[] = "rateLimitResizeRequests";
+const char kMultiTouchCapability[] = "multiTouch";
 
 namespace remoting {
 
@@ -107,7 +108,8 @@ DesktopSessionProxy::DesktopSessionProxy(
     scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner,
     base::WeakPtr<ClientSessionControl> client_session_control,
     base::WeakPtr<DesktopSessionConnector> desktop_session_connector,
-    bool virtual_terminal)
+    bool virtual_terminal,
+    bool multi_touch_enabled)
     : audio_capture_task_runner_(audio_capture_task_runner),
       caller_task_runner_(caller_task_runner),
       io_task_runner_(io_task_runner),
@@ -116,7 +118,8 @@ DesktopSessionProxy::DesktopSessionProxy(
       desktop_session_connector_(desktop_session_connector),
       pending_capture_frame_requests_(0),
       is_desktop_session_connected_(false),
-      virtual_terminal_(virtual_terminal) {
+      virtual_terminal_(virtual_terminal),
+      multi_touch_enabled_(multi_touch_enabled) {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
 }
 
@@ -154,6 +157,10 @@ std::string DesktopSessionProxy::GetCapabilities() const {
   // Ask the client to send its resolution unconditionally.
   if (virtual_terminal_)
     result = result + " " + kSendInitialResolution;
+
+  if (multi_touch_enabled_)
+    result = result + " "  + kMultiTouchCapability;
+
   return result;
 }