Append parameters to webstore URL to indicate launch source.

chrome/browser/background/background_mode_manager.cc

 // 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.
 
 #include <string>
 
 #include "base/base_paths.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 224 matching lines @@
 }
 
 // static
 void BackgroundModeManager::LaunchBackgroundApplication(
     Profile* profile,
     const Extension* extension) {
   ExtensionService* service = profile->GetExtensionService();
   extension_misc::LaunchContainer launch_container =
       service->extension_prefs()->GetLaunchContainer(
           extension, ExtensionPrefs::LAUNCH_REGULAR);
-  Browser::OpenApplication(profile, extension, launch_container,
+  Browser::OpenApplication(profile, extension, launch_container, GURL(),
                            NEW_FOREGROUND_TAB);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //  BackgroundModeManager, content::NotificationObserver overrides
 void BackgroundModeManager::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
@@ skipping 394 matching lines @@
       command_line->HasSwitch(switches::kDisableExtensions);
   return background_mode_disabled;
 #endif
 }
 
 bool BackgroundModeManager::IsBackgroundModePrefEnabled() const {
   PrefService* service = g_browser_process->local_state();
   DCHECK(service);
   return service->GetBoolean(prefs::kBackgroundModeEnabled);
 }