Use ShellPtr type in ApplicationLoader instead of untyped handles

shell/application_manager/shell_impl.cc

Index: shell/application_manager/shell_impl.cc
diff --git a/shell/application_manager/shell_impl.cc b/shell/application_manager/shell_impl.cc
index 0d2b59d260b9e159dcbb27c48208e5344c2689f9..d1af2646c544abac1d02f884ccc802766b4819e9 100644
--- a/shell/application_manager/shell_impl.cc
+++ b/shell/application_manager/shell_impl.cc
@@ -10,20 +10,15 @@
 
 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() {
@@ -36,16 +31,6 @@ void ShellImpl::ConnectToClient(const GURL& requestor_url,
                              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,