Readd the clipboard service and get it compiling again.

components/mus/mus_app.h

Index: components/mus/mus_app.h
diff --git a/components/mus/mus_app.h b/components/mus/mus_app.h
index 66e34a86d9d97f473281307699c2d1a556cedc12..88b250593478fb3ef3bf96431188e81cb9ec0c27 100644
--- a/components/mus/mus_app.h
+++ b/components/mus/mus_app.h
@@ -13,6 +13,7 @@
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "components/mus/public/interfaces/clipboard.mojom.h"
 #include "components/mus/public/interfaces/display.mojom.h"
 #include "components/mus/public/interfaces/gpu.mojom.h"
 #include "components/mus/public/interfaces/user_access_manager.mojom.h"
@@ -54,13 +55,14 @@ class WindowServer;
 class MusApp
     : public shell::ShellClient,
       public ws::WindowServerDelegate,
+      public shell::InterfaceFactory<mojom::Clipboard>,
       public shell::InterfaceFactory<mojom::DisplayManager>,
+      public shell::InterfaceFactory<mojom::Gpu>,
       public shell::InterfaceFactory<mojom::UserAccessManager>,
       public shell::InterfaceFactory<mojom::WindowManagerFactoryService>,
       public shell::InterfaceFactory<mojom::WindowTreeFactory>,
       public shell::InterfaceFactory<mojom::WindowTreeHostFactory>,
-      public shell::InterfaceFactory<mojom::WindowServerTest>,
-      public shell::InterfaceFactory<mojom::Gpu> {
+      public shell::InterfaceFactory<mojom::WindowServerTest> {
  public:
   MusApp();
   ~MusApp() override;
@@ -95,10 +97,18 @@ class MusApp
   bool IsTestConfig() const override;
   void CreateDefaultDisplays() override;
 
+  // shell::InterfaceFactory<mojom::Clipboard> implementation.
+  void Create(shell::Connection* connection,
+              mojom::ClipboardRequest request) override;
+
   // shell::InterfaceFactory<mojom::DisplayManager> implementation.
   void Create(shell::Connection* connection,
               mojom::DisplayManagerRequest request) override;
 
+  // shell::InterfaceFactory<mojom::Gpu> implementation.
+  void Create(shell::Connection* connection,
+              mojom::GpuRequest request) override;
+
   // shell::InterfaceFactory<mojom::UserAccessManager> implementation.
   void Create(shell::Connection* connection,
               mojom::UserAccessManagerRequest request) override;
@@ -119,10 +129,6 @@ class MusApp
   void Create(shell::Connection* connection,
               mojom::WindowServerTestRequest request) override;
 
-  // shell::InterfaceFactory<mojom::Gpu> implementation.
-  void Create(shell::Connection* connection,
-              mojom::GpuRequest request) override;
-
   // Callback for display configuration. |id| is the identifying token for the
   // configured display that will identify a specific physical display across
   // configuration changes. |bounds| is the bounds of the display in screen