attachment broker wip

win8/viewer/metro_viewer_process_host.h

Index: win8/viewer/metro_viewer_process_host.h
diff --git a/win8/viewer/metro_viewer_process_host.h b/win8/viewer/metro_viewer_process_host.h
index a042a0b25744708166ab894b39ecdabc226590f8..e62189ea3dbd76068f8511bb6a3ca625f67f57a3 100644
--- a/win8/viewer/metro_viewer_process_host.h
+++ b/win8/viewer/metro_viewer_process_host.h
@@ -24,6 +24,7 @@ class WaitableEvent;
 }
 
 namespace IPC {
+class AttachmentBroker;
 class ChannelProxy;
 class Message;
 }
@@ -55,8 +56,9 @@ class METRO_VIEWER_EXPORT MetroViewerProcessHost : public IPC::Listener,
   // the viewer process if one is already connected to |ipc_channel_name|; a
   // viewer can otherwise be launched synchronously via
   // LaunchViewerAndWaitForConnection().
-  explicit MetroViewerProcessHost(
-      const scoped_refptr<base::SingleThreadTaskRunner>& ipc_task_runner);
+  MetroViewerProcessHost(
+      const scoped_refptr<base::SingleThreadTaskRunner>& ipc_task_runner,
+      IPC::AttachmentBroker* attachment_broker);
   ~MetroViewerProcessHost() override;
 
   // Returns the process id of the viewer process if one is connected to this