Fix crashes related to the extension uninstall dialog.

chrome/browser/ui/webui/ntp/app_launcher_handler.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 "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/auto_reset.h"
@@ skipping 623 matching lines @@
   if (!extension_id_prompting_.empty())
     return;  // Only one prompt at a time.
 
   extension_id_prompting_ = extension_id;
 
   bool dont_confirm = false;
   if (args->GetBoolean(1, &dont_confirm) && dont_confirm) {
     scoped_ptr<AutoReset<bool> > auto_reset;
     if (NewTabUI::NTP4Enabled())
       auto_reset.reset(new AutoReset<bool>(&ignore_changes_, true));
-    ExtensionDialogAccepted();
+    ExtensionUninstallAccepted();
   } else {
-    GetExtensionUninstallDialog()->ConfirmUninstall(this, extension);
+    GetExtensionUninstallUI()->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).
   // TODO(estade): this isn't used right now as we sort out the future of the
   // apps promo on ntp4.
   if (NewTabUI::NTP4Enabled()) {
@@ skipping 248 matching lines @@
     return;
   }
 
   if (!extension_id_prompting_.empty())
     return;  // Only one prompt at a time.
 
   extension_id_prompting_ = extension_id;
   GetExtensionInstallUI()->ConfirmReEnable(this, extension);
 }
 
-void AppLauncherHandler::ExtensionDialogAccepted() {
+void AppLauncherHandler::ExtensionUninstallAccepted() {
   // Do the uninstall work here.
   DCHECK(!extension_id_prompting_.empty());
 
   // The extension can be uninstalled in another window while the UI was
   // showing. Do nothing in that case.
   const Extension* extension =
       extension_service_->GetExtensionById(extension_id_prompting_, true);
   if (!extension)
     return;
 
   extension_service_->UninstallExtension(extension_id_prompting_,
                                          false /* external_uninstall */, NULL);
 
   extension_id_prompting_ = "";
 }
 
-void AppLauncherHandler::ExtensionDialogCanceled() {
+void AppLauncherHandler::ExtensionUninstallCanceled() {
   extension_id_prompting_ = "";
 }
 
 void AppLauncherHandler::InstallUIProceed() {
   // Do the re-enable work here.
   DCHECK(!extension_id_prompting_.empty());
 
   // The extension can be uninstalled in another window while the UI was
   // showing. Do nothing in that case.
   const Extension* extension =
       extension_service_->GetExtensionById(extension_id_prompting_, true);
   if (!extension)
     return;
 
   extension_service_->GrantPermissionsAndEnableExtension(extension);
 
   // We bounce this off the NTP so the browser can update the apps icon.
   // If we don't launch the app asynchronously, then the app's disabled
   // icon disappears but isn't replaced by the enabled icon, making a poor
   // visual experience.
   scoped_ptr<StringValue> app_id(Value::CreateStringValue(extension->id()));
   web_ui_->CallJavascriptFunction("launchAppAfterEnable", *app_id);
 
   extension_id_prompting_ = "";
 }
 
 void AppLauncherHandler::InstallUIAbort(bool user_initiated) {
-  // We record the histograms here because ExtensionDialogCanceled is also
+  // We record the histograms here because ExtensionUninstallCanceled is also
   // called when the extension uninstall dialog is canceled.
   const Extension* extension =
       extension_service_->GetExtensionById(extension_id_prompting_, true);
   std::string histogram_name = user_initiated ?
       "Extensions.Permissions_ReEnableCancel" :
       "Extensions.Permissions_ReEnableAbort";
   ExtensionService::RecordPermissionMessagesHistogram(
       extension, histogram_name.c_str());
 
-  ExtensionDialogCanceled();
+  ExtensionUninstallCanceled();
 }
 
-ExtensionUninstallDialog* AppLauncherHandler::GetExtensionUninstallDialog() {
-  if (!extension_uninstall_dialog_.get()) {
-    extension_uninstall_dialog_.reset(
-        new ExtensionUninstallDialog(Profile::FromWebUI(web_ui_)));
+ExtensionUninstallUI* AppLauncherHandler::GetExtensionUninstallUI() {
+  if (!extension_uninstall_ui_.get()) {
+    extension_uninstall_ui_.reset(
+        new ExtensionUninstallUI(Profile::FromWebUI(web_ui_)));
   }
-  return extension_uninstall_dialog_.get();
+  return extension_uninstall_ui_.get();
 }
 
 ExtensionInstallUI* AppLauncherHandler::GetExtensionInstallUI() {
   if (!extension_install_ui_.get()) {
     extension_install_ui_.reset(
         new ExtensionInstallUI(Profile::FromWebUI(web_ui_)));
   }
   return extension_install_ui_.get();
 }
 
 void AppLauncherHandler::UninstallDefaultApps() {
   AppsPromo* apps_promo = extension_service_->apps_promo();
   const ExtensionIdSet& app_ids = apps_promo->old_default_apps();
   for (ExtensionIdSet::const_iterator iter = app_ids.begin();
        iter != app_ids.end(); ++iter) {
     if (extension_service_->GetExtensionById(*iter, true))
       extension_service_->UninstallExtension(*iter, false, NULL);
   }
 }