Changes around how embed roots are set

mandoline/ui/phone_ui/phone_browser_application_delegate.cc

 // Copyright 2015 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 "mandoline/ui/phone_ui/phone_browser_application_delegate.h"
 
 #include "base/command_line.h"
 #include "components/view_manager/public/cpp/view.h"
 #include "components/view_manager/public/cpp/view_tree_connection.h"
 #include "components/view_manager/public/cpp/view_tree_host_factory.h"
@@ skipping 53 matching lines @@
   request->url = url;
   web_view_.web_view()->LoadRequest(request.Pass());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // PhoneBrowserApplicationDelegate, mojo::ViewTreeDelegate implementation:
 
 void PhoneBrowserApplicationDelegate::OnEmbed(mojo::View* root) {
   CHECK(!root_);
   root_ = root;
-  root->connection()->SetEmbedRoot();
   content_ = root->connection()->CreateView();
   root->AddChild(content_);
   content_->SetBounds(root->bounds());
   content_->SetVisible(true);
   root->AddObserver(this);
 
   host_->SetSize(mojo::Size::From(gfx::Size(320, 640)));
+  content_->SetAccessPolicy(mojo::ViewTree::ACCESS_POLICY_EMBED_ROOT);
   web_view_.Init(app_, content_);
   LaunchURL(default_url_);
 }
 
 void PhoneBrowserApplicationDelegate::OnConnectionLost(
     mojo::ViewTreeConnection* connection) {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // PhoneBrowserApplicationDelegate, mojo::ViewObserver implementation:
@@ skipping 32 matching lines @@
 // PhoneBrowserApplicationDelegate,
 //       mojo::InterfaceFactory<LaunchHandler> implementation:
 
 void PhoneBrowserApplicationDelegate::Create(
     mojo::ApplicationConnection* connection,
     mojo::InterfaceRequest<LaunchHandler> request) {
   launch_handler_bindings_.AddBinding(this, request.Pass());
 }
 
 }  // namespace mandoline