Restructure public side of network service.

examples/js/wget.js

 #!mojo:js_content_handler
 // Demonstrate use of the Mojo network service to load a URL. To run this
 // application with mojo_shell, set DIR to be the absolute path for this
 // directory, then:
 //   mojo_shell "file://$DIR/wget.js http://www.google.com"
 // Substitute any URL for google.com. To keep the noise down, this app
 // only displays the number of bytes read and a little http header info.
 
 define("main", [
   "console",
   "mojo/public/js/core",
-  "mojo/services/public/interfaces/network/network_service.mojom",
-  "mojo/services/public/interfaces/network/url_loader.mojom",
+  "mojo/services/network/public/interfaces/network_service.mojom",
+  "mojo/services/network/public/interfaces/url_loader.mojom",
   "mojo/services/public/js/application",
 ], function(console, coreModule, netModule, loaderModule, appModule) {
 
   class WGet extends appModule.Application {
     initialize(args) {
       if (args.length != 2) {
         console.log("Expected URL argument");
         return;
       }
 
@@ skipping 21 matching lines @@
           })
           .then(function() {
             app.quit();
           });
       });
     }
   }
 
   return WGet;
 });