Use ShellPtr type in ApplicationLoader instead of untyped handles

shell/application_manager/shell_impl.cc

 // Copyright 2015 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 "shell/application_manager/shell_impl.h"
 
 #include "mojo/common/common_type_converters.h"
 #include "mojo/services/content_handler/public/interfaces/content_handler.mojom.h"
 #include "shell/application_manager/application_manager.h"
 
 namespace mojo {
 
-ShellImpl::ShellImpl(ScopedMessagePipeHandle handle,
+ShellImpl::ShellImpl(InterfaceRequest<Shell> shell_request,
                      ApplicationManager* manager,
                      const GURL& requested_url,
                      const GURL& url)
-    : ShellImpl(manager, requested_url, url) {
-  binding_.Bind(handle.Pass());
-}
-
-ShellImpl::ShellImpl(ShellPtr* ptr,
-                     ApplicationManager* manager,
-                     const GURL& requested_url,
-                     const GURL& url)
-    : ShellImpl(manager, requested_url, url) {
-  binding_.Bind(ptr);
+    : manager_(manager),
+      requested_url_(requested_url),
+      url_(url),
+      binding_(this, shell_request.Pass()) {
+  binding_.set_error_handler(this);
 }
 
 ShellImpl::~ShellImpl() {
 }
 
 void ShellImpl::ConnectToClient(const GURL& requestor_url,
                                 InterfaceRequest<ServiceProvider> services,
                                 ServiceProviderPtr exposed_services) {
   client()->AcceptConnection(String::From(requestor_url), services.Pass(),
                              exposed_services.Pass());
 }
 
-ShellImpl::ShellImpl(ApplicationManager* manager,
-                     const GURL& requested_url,
-                     const GURL& url)
-    : manager_(manager),
-      requested_url_(requested_url),
-      url_(url),
-      binding_(this) {
-  binding_.set_error_handler(this);
-}
-
 // Shell implementation:
 void ShellImpl::ConnectToApplication(const String& app_url,
                                      InterfaceRequest<ServiceProvider> services,
                                      ServiceProviderPtr exposed_services) {
   GURL app_gurl(app_url);
   if (!app_gurl.is_valid()) {
     LOG(ERROR) << "Error: invalid URL: " << app_url;
     return;
   }
   manager_->ConnectToApplication(app_gurl, url_, services.Pass(),
                                  exposed_services.Pass());
 }
 
 void ShellImpl::OnConnectionError() {
   manager_->OnShellImplError(this);
 }
 
 }  // namespace mojo