Eliminate mojo::Shell client lib class

ash/mus/keyboard_ui_mus.cc

Index: ash/mus/keyboard_ui_mus.cc
diff --git a/ash/mus/keyboard_ui_mus.cc b/ash/mus/keyboard_ui_mus.cc
index f8a1ab7843370bb1961accccdcfc2bd5e8c14522..1a16aae1d1b6d4562d405e123d6e986087f21433 100644
--- a/ash/mus/keyboard_ui_mus.cc
+++ b/ash/mus/keyboard_ui_mus.cc
@@ -7,22 +7,22 @@
 #include "ash/keyboard/keyboard_ui_observer.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
-#include "mojo/shell/public/cpp/shell.h"
+#include "mojo/shell/public/cpp/connector.h"
 
 namespace ash {
 
-KeyboardUIMus::KeyboardUIMus(mojo::Shell* mojo_shell)
+KeyboardUIMus::KeyboardUIMus(mojo::Connector* connector)
     : is_enabled_(false), observer_binding_(this) {
   // TODO(sky): should be something like mojo://keyboard, but need mapping.
-  mojo_shell->ConnectToInterface("exe://chrome", &keyboard_);
+  connector->ConnectToInterface("exe://chrome", &keyboard_);
   keyboard_->AddObserver(observer_binding_.CreateInterfacePtrAndBind());
 }
 
 KeyboardUIMus::~KeyboardUIMus() {}
 
 // static
-scoped_ptr<KeyboardUI> KeyboardUIMus::Create(mojo::Shell* mojo_shell) {
-  return make_scoped_ptr(new KeyboardUIMus(mojo_shell));
+scoped_ptr<KeyboardUI> KeyboardUIMus::Create(mojo::Connector* connector) {
+  return make_scoped_ptr(new KeyboardUIMus(connector));
 }
 
 void KeyboardUIMus::Hide() {