Rename mash_shell to mash_session.

mash/login/login.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mash/login/login.h"
 
 #include <map>
 
 #include "base/guid.h"
 #include "base/macros.h"
@@ skipping 121 matching lines @@
               public mojo::InterfaceFactory<mojom::Login>,
               public mojom::Login {
  public:
    Login() {}
   ~Login() override {}
 
   void LoginAs(const std::string& user_id) {
     user_access_manager_->SetActiveUser(user_id);
     mash::init::mojom::InitPtr init;
     connector_->ConnectToInterface("mojo:mash_init", &init);
-    init->StartService("mojo:mash_shell", user_id);
+    init->StartService("mojo:mash_session", user_id);
   }
 
  private:
   // mojo::ShellClient:
   void Initialize(mojo::Connector* connector, const mojo::Identity& identity,
                   uint32_t id) override {
     connector_ = connector;
     tracing_.Initialize(connector, identity.name());
 
     aura_init_.reset(new views::AuraInit(connector, "views_mus_resources.pak"));
@@ skipping 45 matching lines @@
 }
 
 }  // namespace
 
 mojo::ShellClient* CreateLogin() {
   return new Login;
 }
 
 }  // namespace login
 }  // namespace main