Preparations for Cast Host Extension

remoting/host/chromoting_host.h

Index: remoting/host/chromoting_host.h
diff --git a/remoting/host/chromoting_host.h b/remoting/host/chromoting_host.h
index fe2c26fa60036caa53d33cf83119e3bd868671ee..5cffe3c2d21353ca7f34a11ca50c3f3025848b21 100644
--- a/remoting/host/chromoting_host.h
+++ b/remoting/host/chromoting_host.h
@@ -157,6 +157,18 @@ class ChromotingHost : public base::NonThreadSafe,
     pairing_registry_ = pairing_registry;
   }
 
+  // Setting enable_cast notifies ChromotingHost that cast mode was enabled
+  // via command line. The ChromotingHost passes this on to the ClientSession on
+  // creation. Enabling cast mode simply means that if requested by the client,
+  // the ClientSession may switch from default video streaming to using WebRTC,
+  // via the CastExtension mechanism. If the ClientSession receives no request,
+  // video streaming carries on normally. This switch is currently allowed
+  // on a per-session basis, i.e., if the client requests cast mode but then
+  // wants to switch back, it must reconnect.
+  void set_enable_cast(bool enable) {
+    enable_cast_ = enable;
+  }
+
   base::WeakPtr<ChromotingHost> AsWeakPtr() {
     return weak_factory_.GetWeakPtr();
   }
@@ -221,6 +233,9 @@ class ChromotingHost : public base::NonThreadSafe,
 
   base::WeakPtrFactory<ChromotingHost> weak_factory_;
 
+  // True if cast mode is enabled on the host.
+  bool enable_cast_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };