Append parameters to webstore URL to indicate launch source.

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_install_ui.h"
@@ skipping 32 matching lines @@
   // it is special (such as the Web Store app).
   static bool IsAppExcludedFromList(const Extension* extension);
 
   // Populate a dictionary with the information from an extension.
   static void CreateAppInfo(
       const Extension* extension,
       const AppNotification* notification,
       ExtensionService* service,
       base::DictionaryValue* value);
 
-  // Callback for pings related to launching apps on the NTP.
-  static bool HandlePing(Profile* profile, const std::string& path);
-
   // WebUIMessageHandler implementation.
   virtual WebUIMessageHandler* Attach(WebUI* web_ui) OVERRIDE;
   virtual void RegisterMessages() OVERRIDE;
 
   // content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Populate the given dictionary with all installed app info.
@@ skipping 58 matching lines @@
     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);
+  static void RecordAppLaunchByID(extension_misc::AppLaunchBucket bucket);
 
   // Records an app launch in the corresponding |bucket| of the app launch
   // histogram if the |escaped_url| corresponds to an installed app.
   static void RecordAppLaunchByURL(Profile* profile,
                                    std::string escaped_url,
                                    extension_misc::AppLaunchBucket bucket);
 
   // Prompts the user to re-enable the app for |extension_id|.
   void PromptToEnableApp(const std::string& extension_id);
 
@@ skipping 36 matching lines @@
 
   // Used to show confirmation UI for uninstalling extensions in incognito mode.
   scoped_ptr<ExtensionUninstallDialog> extension_uninstall_dialog_;
 
   // Used to show confirmation UI for enabling extensions in incognito mode.
   scoped_ptr<ExtensionInstallUI> extension_install_ui_;
 
   // The id of the extension we are prompting the user about.
   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_;
 
   // When true, we have attempted to install a bookmark app, and are still
   // waiting to hear about success or failure from the extensions system.
   bool attempted_bookmark_app_install_;
 
   // True if we have executed HandleGetApps() at least once.
   bool has_loaded_apps_;
 
   // The ID of the app to be highlighted on the NTP (i.e. shown on the page
   // and pulsed). This is done for new installs. The actual higlighting occurs
   // when the app is added to the page (via getAppsCallback or appAdded).
   std::string highlight_app_id_;
 
   // Hold state for favicon requests.
   CancelableRequestConsumerTSimple<AppInstallInfo*> favicon_consumer_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLauncherHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_