FrameSinkIds use to WindowIds in window server, Process ID/Route ID in renderer

services/ui/ws/ids.h

Index: services/ui/ws/ids.h
diff --git a/services/ui/ws/ids.h b/services/ui/ws/ids.h
index a6268349313afe6001f54a0121f83b5a8c8bcccd..e7ac722aefa49dbff3e78a8ffe86c8728ec6beef 100644
--- a/services/ui/ws/ids.h
+++ b/services/ui/ws/ids.h
@@ -53,6 +53,10 @@ struct WindowId {
            std::tie(other.client_id, other.window_id);
   }
 
+  operator uint32_t() const {

[sky, 2016/10/04 17:50:53]

Actually, one comment. Style guide says no to implicit conversion:
https://google.github.io/styleguide/cppguide.html#Implicit_Conversions .

[Fady Samuel, 2016/10/04 19:31:57]

Using WindowIdToTransportId instead.

+    return (client_id << 16) | window_id;
+  }
+
   std::string ToString() const {
     return base::StringPrintf("%u:%u", client_id, window_id);
   }