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

mojo/services/view_manager/view_manager_init_service_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/view_manager/view_manager_init_service_impl.h"
 
 #include "base/bind.h"
 #include "mojo/services/view_manager/ids.h"
 #include "mojo/services/view_manager/view_manager_init_service_context.h"
 #include "mojo/services/view_manager/view_manager_service_impl.h"
@@ skipping 24 matching lines @@
 void ViewManagerInitServiceImpl::OnRootViewManagerWindowTreeHostCreated() {
   MaybeEmbed();
 }
 
 void ViewManagerInitServiceImpl::MaybeEmbed() {
   if (!context_->is_tree_host_ready())
     return;
 
   ScopedVector<ConnectParams>::const_iterator it = connect_params_.begin();
   for (; it != connect_params_.end(); ++it) {
-    context_->root_node_manager()->EmbedRoot((*it)->url);
+    context_->root_node_manager()->EmbedRoot((*it)->url,
+                                             (*it)->service_provider.Pass());
     (*it)->callback.Run(true);
   }
   connect_params_.clear();
 }
 
 void ViewManagerInitServiceImpl::Embed(
     const String& url,
+    ServiceProviderPtr service_provider,
     const Callback<void(bool)>& callback) {
   ConnectParams* params = new ConnectParams;
   params->url = url.To<std::string>();
   params->callback = callback;
+  params->service_provider.Bind(service_provider.PassMessagePipe());
   connect_params_.push_back(params);
   MaybeEmbed();
 }
 
 }  // namespace service
 }  // namespace mojo