Nest some more namespaces

Did someone previously suggest that all namespace had been
nested?  Silly.

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: I22278c1caaeba8b47dc46fb2ed3078c20a11e190
diff --git a/aos/network/web_proxy.h b/aos/network/web_proxy.h
index db7fb5b..dec3078 100644
--- a/aos/network/web_proxy.h
+++ b/aos/network/web_proxy.h
@@ -19,8 +19,7 @@
 #include "seasocks/StringUtil.h"
 #include "seasocks/WebSocket.h"
 
-namespace aos {
-namespace web_proxy {
+namespace aos::web_proxy {
 
 class Connection;
 class Subscriber;
@@ -242,7 +241,6 @@
   std::shared_ptr<ScopedDataChannel> channel_;
 };
 
-}  // namespace web_proxy
-}  // namespace aos
+}  // namespace aos::web_proxy
 
 #endif  // AOS_NETWORK_WEB_PROXY_H_