Uninstall default apps if user hides promo

chrome/browser/dom_ui/app_launcher_handler.cc

 // Copyright (c) 2010 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 "chrome/browser/dom_ui/app_launcher_handler.h"
 
 #include "app/animation.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 250 matching lines @@
     return;
 
   if (!extension_id_prompting_.empty())
     return;  // Only one prompt at a time.
 
   extension_id_prompting_ = extension_id;
   GetExtensionInstallUI()->ConfirmUninstall(this, extension);
 }
 
 void AppLauncherHandler::HandleHideAppsPromo(const ListValue* args) {
+  // If the user has intentionally hidden the promotion, we'll uninstall all the
+  // default apps (we know the user hasn't installed any apps on their own at
+  // this point, or the promotion wouldn't have been shown).
+  DefaultApps* default_apps = extensions_service_->default_apps();
+  const ExtensionIdSet* app_ids = default_apps->GetDefaultApps();
+  DCHECK(*app_ids == extensions_service_->GetAppIds());
+
+  for (ExtensionIdSet::const_iterator iter = app_ids->begin();
+       iter != app_ids->end(); ++iter) {
+    if (extensions_service_->GetExtensionById(*iter, true))
+      extensions_service_->UninstallExtension(*iter, false);
+  }
+
   extensions_service_->default_apps()->SetPromoHidden();
 }
 
 ExtensionInstallUI* AppLauncherHandler::GetExtensionInstallUI() {
   if (!install_ui_.get())
     install_ui_.reset(new ExtensionInstallUI(dom_ui_->GetProfile()));
   return install_ui_.get();
 }
 
 void AppLauncherHandler::InstallUIProceed() {
   DCHECK(!extension_id_prompting_.empty());
 
   // The extension can be uninstalled in another window while the UI was
   // showing. Do nothing in that case.
   Extension* extension =
       extensions_service_->GetExtensionById(extension_id_prompting_, true);
   if (!extension)
     return;
 
   extensions_service_->UninstallExtension(extension_id_prompting_,
                                           false /* external_uninstall */);
   extension_id_prompting_ = "";
 }
 
 void AppLauncherHandler::InstallUIAbort() {
   extension_id_prompting_ = "";
 }