Revert of Mandoline UI Process: Update namespaces and file names

components/mus/connection_manager_delegate.h

Index: components/mus/connection_manager_delegate.h
diff --git a/components/mus/connection_manager_delegate.h b/components/mus/connection_manager_delegate.h
index 8d7a0259703f4859a4a1655145c2109618662e60..8a1714633dc17f2e47d4e3a8f8a8be852a2dffd6 100644
--- a/components/mus/connection_manager_delegate.h
+++ b/components/mus/connection_manager_delegate.h
@@ -11,12 +11,15 @@
 #include "components/mus/public/interfaces/view_tree.mojom.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
 
-namespace mus {
+namespace mojo {
+class ViewTree;
+}
+
+namespace view_manager {
 
 class ClientConnection;
 class ConnectionManager;
 struct ViewId;
-class ViewTree;
 
 class ConnectionManagerDelegate {
  public:
@@ -27,14 +30,14 @@
   virtual ClientConnection* CreateClientConnectionForEmbedAtView(
       ConnectionManager* connection_manager,
       mojo::InterfaceRequest<mojo::ViewTree> tree_request,
-      ConnectionSpecificId creator_id,
+      mojo::ConnectionSpecificId creator_id,
       mojo::URLRequestPtr request,
       const ViewId& root_id,
       uint32_t policy_bitmask) = 0;
   virtual ClientConnection* CreateClientConnectionForEmbedAtView(
       ConnectionManager* connection_manager,
       mojo::InterfaceRequest<mojo::ViewTree> tree_request,
-      ConnectionSpecificId creator_id,
+      mojo::ConnectionSpecificId creator_id,
       const ViewId& root_id,
       uint32_t policy_bitmask,
       mojo::ViewTreeClientPtr client) = 0;
@@ -43,6 +46,6 @@
   virtual ~ConnectionManagerDelegate() {}
 };
 
-}  // namespace mus
+}  // namespace view_manager
 
 #endif  // COMPONENTS_MUS_CONNECTION_MANAGER_DELEGATE_H_