ntp4: make app-install-via-drag less janky

chrome/browser/ui/webui/ntp/app_launcher_handler.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_app_api.h"
@@ skipping 97 matching lines @@
 
   // Callback for the "recordAppLaunchByURL" message. Takes an escaped URL and a
   // launch source (integer), and if the URL represents an app, records the
   // action for UMA.
   void HandleRecordAppLaunchByURL(const base::ListValue* args);
 
   // Register app launcher preferences.
   static void RegisterUserPrefs(PrefService* pref_service);
 
  private:
+  struct AppInstallInfo {
+    bool is_bookmark_app;
+    string16 title;
+    GURL app_url;
+    int page_index;
+  };
+
   // Records a web store launch in the appropriate histograms. |promo_active|
   // specifies if the web store promotion was active.
   static void RecordWebStoreLaunch(bool promo_active);
 
   // Records an app launch in the corresponding |bucket| of the app launch
   // histogram. |promo_active| specifies if the web store promotion was active.
   static void RecordAppLaunchByID(bool promo_active,
                                   extension_misc::AppLaunchBucket bucket);
 
   // Records an app launch in the corresponding |bucket| of the app launch
@@ skipping 49 matching lines @@
   std::string extension_id_prompting_;
 
   // Whether the promo is currently being shown.
   bool promo_active_;
 
   // When true, we ignore changes to the underlying data rather than immediately
   // refreshing. This is useful when making many batch updates to avoid flicker.
   bool ignore_changes_;
 
   // Hold state for favicon requests.
-  CancelableRequestConsumerTSimple<WebApplicationInfo*> favicon_consumer_;
+  CancelableRequestConsumerTSimple<AppInstallInfo*> favicon_consumer_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLauncherHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_