Pass ServiceProvider thru ViewManagerService::Embed() allowing embedder & embeddee to expose servic…

mojo/examples/wm_flow/wm/wm.cc

Index: mojo/examples/wm_flow/wm/wm.cc
diff --git a/mojo/examples/wm_flow/wm/wm.cc b/mojo/examples/wm_flow/wm/wm.cc
index eb2708a675636c0c4ad6844c1ba23d82c4c98669..a15ddc63e39857c65eae4a45b15abb128b099985 100644
--- a/mojo/examples/wm_flow/wm/wm.cc
+++ b/mojo/examples/wm_flow/wm/wm.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/exported_service_registry.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
 #include "mojo/services/public/cpp/view_manager/window_manager_delegate.h"
@@ -34,8 +35,11 @@ class SimpleWM : public mojo::ApplicationDelegate,
   }
 
   // Overridden from mojo::ViewManagerDelegate:
-  virtual void OnEmbed(mojo::ViewManager* view_manager,
-                       mojo::Node* root) MOJO_OVERRIDE {
+  virtual void OnEmbed(
+      mojo::ViewManager* view_manager,
+      mojo::Node* root,
+      mojo::ExportedServiceRegistry* exported_services,
+      scoped_ptr<mojo::ServiceProvider> remote_service_provider) MOJO_OVERRIDE {
     view_manager_ = view_manager;
     root_ = root;
     view_manager_->SetWindowManagerDelegate(this);
@@ -52,12 +56,21 @@ class SimpleWM : public mojo::ApplicationDelegate,
   }
 
   // Overridden from mojo::WindowManagerDelegate:
-  virtual void Embed(const mojo::String& url) MOJO_OVERRIDE {
+  virtual void Embed(
+      const mojo::String& url,
+      mojo::InterfaceRequest<mojo::ServiceProvider> service_provider)
+          MOJO_OVERRIDE {
     mojo::Node* embed_node =
         mojo::Node::Create(view_manager_);
     embed_node->SetBounds(gfx::Rect(next_window_origin_, gfx::Size(400, 400)));
     window_container_->AddChild(embed_node);
-    embed_node->Embed(url);
+
+    // TODO(beng): We're dropping the |service_provider| passed from the client
+    //             on the floor here and passing our own. Seems like we should
+    //             be sending both. I'm not yet sure how this sould work for
+    //             N levels of proxying.
+    embed_node->Embed(url, scoped_ptr<mojo::ExportedServiceRegistry>(
+        new mojo::ExportedServiceRegistry).Pass());
     next_window_origin_.Offset(50, 50);
   }
   virtual void DispatchEvent(mojo::View* target,