Fix closing namespace comments in //net.

net/test/embedded_test_server/default_handlers.cc

Index: net/test/embedded_test_server/default_handlers.cc
diff --git a/net/test/embedded_test_server/default_handlers.cc b/net/test/embedded_test_server/default_handlers.cc
index 4419d16b7d6dce644cbee0117a39875b6152524d..4be6b5dc1f78e363195c0c7d3fb74b809236d4bd 100644
--- a/net/test/embedded_test_server/default_handlers.cc
+++ b/net/test/embedded_test_server/default_handlers.cc
@@ -617,7 +617,7 @@ std::unique_ptr<HttpResponse> HandleHungResponse(const HttpRequest& request) {
   return base::MakeUnique<HungHttpResponse>();
 }
 
-}  // namespace anonymous
+}  // anonymous namespace
 
 #define PREFIXED_HANDLER(prefix, handler) \
   base::Bind(&HandlePrefixedRequest, prefix, base::Bind(handler))