[win] Add signin support for the app launcher.

chrome/browser/ui/app_list/app_list_view_delegate.h

Index: chrome/browser/ui/app_list/app_list_view_delegate.h
diff --git a/chrome/browser/ui/app_list/app_list_view_delegate.h b/chrome/browser/ui/app_list/app_list_view_delegate.h
index 2249dd94b74ed6a3a4ce94aa391025c6a0341f81..0e2851df558dbebe465fc1a814ea297cd9dcbb63 100644
--- a/chrome/browser/ui/app_list/app_list_view_delegate.h
+++ b/chrome/browser/ui/app_list/app_list_view_delegate.h
@@ -14,6 +14,7 @@
 
 class AppListControllerDelegate;
 class AppsModelBuilder;
+class Profile;
 class SearchBuilder;
 
 #if defined(USE_ASH)
@@ -29,6 +30,7 @@ class AppListViewDelegate : public app_list::AppListViewDelegate {
  private:
   // Overridden from app_list::AppListViewDelegate:
   virtual void SetModel(app_list::AppListModel* model) OVERRIDE;
+  virtual app_list::SigninDelegate* GetSigninDelegate() OVERRIDE;
   virtual void ActivateAppListItem(app_list::AppListItemModel* item,
                                    int event_flags) OVERRIDE;
   virtual void StartSearch() OVERRIDE;
@@ -42,6 +44,7 @@ class AppListViewDelegate : public app_list::AppListViewDelegate {
   virtual void ViewClosing() OVERRIDE;
   virtual void ViewActivationChanged(bool active) OVERRIDE;
 
+  scoped_ptr<app_list::SigninDelegate> signin_delegate_;
   scoped_ptr<AppsModelBuilder> apps_builder_;
   scoped_ptr<SearchBuilder> search_builder_;
   scoped_ptr<AppListControllerDelegate> controller_;