ServiceWorker: Implement StartWorker by using mojo

content/common/service_worker/embedded_worker.mojom

Index: content/common/service_worker/embedded_worker.mojom
diff --git a/media/mojo/interfaces/media_service.mojom b/content/common/service_worker/embedded_worker.mojom
similarity index 52%
copy from media/mojo/interfaces/media_service.mojom
copy to content/common/service_worker/embedded_worker.mojom
index 44b13a52f996b7ffb12881c0387b209db4174650..00f7558fc09315d57bc71f4c1d7265ba2777d3ef 100644
--- a/media/mojo/interfaces/media_service.mojom
+++ b/content/common/service_worker/embedded_worker.mojom
@@ -2,12 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-module media.mojom;
+module content.mojom;
 
-import "media/mojo/interfaces/service_factory.mojom";
 import "services/shell/public/interfaces/interface_provider.mojom";
+import "url/mojo/url.mojom";
 
-interface MediaService {
-  CreateServiceFactory(ServiceFactory& factory,
-                       shell.mojom.InterfaceProvider frame_interfaces);
+[Native]
+struct EmbeddedWorkerStartParams;
+
+interface EmbeddedWorkerInstanceClient {

[falken, 2016/09/13 05:48:02]

Can you add some lightweight documentation? I'm looking at
chrome/src/ash/public/interfaces/wallpaper.mojom or shelf.mojom as an example
(when in doubt ash/ tends to have clean modern code)

[shimazu, 2016/09/15 03:24:42]

Done.

+  StartWorker(EmbeddedWorkerStartParams params);
 };