Auto hide app list on Windows when it loses focus.

chrome/browser/ui/app_list/apps_model_builder.h

Index: chrome/browser/ui/app_list/apps_model_builder.h
diff --git a/chrome/browser/ui/app_list/apps_model_builder.h b/chrome/browser/ui/app_list/apps_model_builder.h
index 876431d06109f7194554e26ee66f05c78c3ec627..ecd8aa9782c7b9b38fba4ab293b27b62c42a7483 100644
--- a/chrome/browser/ui/app_list/apps_model_builder.h
+++ b/chrome/browser/ui/app_list/apps_model_builder.h
@@ -13,7 +13,7 @@
 #include "content/public/browser/notification_registrar.h"
 #include "ui/app_list/app_list_model.h"
 
-class AppListController;
+class AppListControllerDelegate;
 class ExtensionAppItem;
 class Profile;
 
@@ -21,7 +21,7 @@ class AppsModelBuilder : public content::NotificationObserver {
  public:
   AppsModelBuilder(Profile* profile,
                    app_list::AppListModel::Apps* model,
-                   AppListController* controller);
+                   AppListControllerDelegate* controller);
   virtual ~AppsModelBuilder();
 
   // Populates the model.
@@ -55,7 +55,7 @@ class AppsModelBuilder : public content::NotificationObserver {
                        const content::NotificationDetails& details) OVERRIDE;
 
   Profile* profile_;
-  AppListController* controller_;
+  AppListControllerDelegate* controller_;
 
   // Sub apps model of AppListModel that represents apps grid view.
   app_list::AppListModel::Apps* model_;