app_list: Drive app integration.

chrome/browser/ui/app_list/extension_app_model_builder.h

Index: chrome/browser/ui/app_list/extension_app_model_builder.h
diff --git a/chrome/browser/ui/app_list/extension_app_model_builder.h b/chrome/browser/ui/app_list/extension_app_model_builder.h
index 76585e4e14b9f160f1569d47398938e0da430604..2527cf7804d1cd760ee1edc9ca8607b2a5f1296c 100644
--- a/chrome/browser/ui/app_list/extension_app_model_builder.h
+++ b/chrome/browser/ui/app_list/extension_app_model_builder.h
@@ -15,6 +15,7 @@
 #include "ui/base/models/list_model_observer.h"
 
 class AppListControllerDelegate;
+class DriveAppProvider;
 class ExtensionAppItem;
 class Profile;
 
@@ -134,6 +135,9 @@ class ExtensionAppModelBuilder : public extensions::InstallObserver,
   // We listen to this to show app installing progress.
   extensions::InstallTracker* tracker_;
 
+  // Provides integration with Drive apps.
+  scoped_ptr<DriveAppProvider> drive_app_provider_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionAppModelBuilder);
 };