Add EmbedRoot to ViewManagerService.

mojo/services/view_manager/view_manager_init_service_impl.h

Index: mojo/services/view_manager/view_manager_init_service_impl.h
diff --git a/mojo/services/view_manager/view_manager_init_service_impl.h b/mojo/services/view_manager/view_manager_init_service_impl.h
index b9b5b3bff61143bcbb8e4cf15fb9a75f11b3886a..09a5ac61c57745324a03509a4ebd3c7da1a85b44 100644
--- a/mojo/services/view_manager/view_manager_init_service_impl.h
+++ b/mojo/services/view_manager/view_manager_init_service_impl.h
@@ -9,6 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_vector.h"
 #include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
 #include "mojo/services/view_manager/root_node_manager.h"
 #include "mojo/services/view_manager/root_view_manager_delegate.h"
@@ -47,8 +48,7 @@ class MOJO_VIEW_MANAGER_EXPORT ViewManagerInitServiceImpl
     Callback<void(bool)> callback;
   };
 
-  void MaybeEmbedRoot(const std::string& url,
-                      const Callback<void(bool)>& callback);
+  void MaybeEmbedRoot();
 
   // ViewManagerInitService overrides:
   virtual void EmbedRoot(const String& url,
@@ -63,8 +63,9 @@ class MOJO_VIEW_MANAGER_EXPORT ViewManagerInitServiceImpl
 
   RootNodeManager root_node_manager_;
 
-  // Parameters passed to Connect(). If non-null Connect() has been invoked.
-  scoped_ptr<ConnectParams> connect_params_;
+  // Stores information about inbound calls to EmbedRoot() pending execution on
+  // the window tree host being ready to use.
+  ScopedVector<ConnectParams> connect_params_;
 
   bool is_tree_host_ready_;