Update view_manager and window_manager to make use of content handling.

mojo/services/view_manager/connection_manager.cc

Index: mojo/services/view_manager/connection_manager.cc
diff --git a/mojo/services/view_manager/connection_manager.cc b/mojo/services/view_manager/connection_manager.cc
index bc1f21db0bfc989cebf896ac4db3e60ec11fe1e9..f73660dc3c9e83a5d35c5582e2be70ee6d744f6f 100644
--- a/mojo/services/view_manager/connection_manager.cc
+++ b/mojo/services/view_manager/connection_manager.cc
@@ -130,18 +130,6 @@ bool ConnectionManager::DidConnectionMessageClient(
   return current_change_ && current_change_->DidMessageConnection(id);
 }
 
-ViewManagerServiceImpl* ConnectionManager::GetConnectionByCreator(
-    ConnectionSpecificId creator_id,
-    const std::string& url) const {
-  for (ConnectionMap::const_iterator i = connection_map_.begin();
-       i != connection_map_.end();
-       ++i) {
-    if (i->second->creator_id() == creator_id && i->second->url() == url)
-      return i->second;
-  }
-  return NULL;
-}
-
 const ViewManagerServiceImpl* ConnectionManager::GetConnectionWithRoot(
     const ViewId& id) const {
   for (ConnectionMap::const_iterator i = connection_map_.begin();