Don't show post extension install bubbles when incognito mode is forced.

chrome/browser/ui/extensions/extension_install_ui_default.cc

 // Copyright (c) 2012 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/extensions/extension_install_ui_default.h"
 
 #include "apps/app_launcher.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/theme_installed_infobar_delegate.h"
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
@@ skipping 23 matching lines @@
 using extensions::Extension;
 
 namespace {
 
 
 // Helpers --------------------------------------------------------------------
 
 bool disable_failure_ui_for_tests = false;
 
 Browser* FindOrCreateVisibleBrowser(Profile* profile) {
+  // TODO(mpcomplete): remove this workaround for http://crbug.com/244246
+  // after fixing http://crbug.com/38676.
+  if (!IncognitoModePrefs::CanOpenBrowser(profile))
+    return NULL;
   Browser* browser =
       chrome::FindOrCreateTabbedBrowser(profile, chrome::GetActiveDesktop());
   if (browser->tab_strip_model()->count() == 0)
     chrome::AddBlankTabAt(browser, -1, true);
   browser->window()->Show();
   return browser;
 }
 
 void ShowExtensionInstalledBubble(const extensions::Extension* extension,
                                   Profile* profile,
                                   const SkBitmap& icon) {
   Browser* browser = FindOrCreateVisibleBrowser(profile);
-  chrome::ShowExtensionInstalledBubble(extension, browser, icon);
+  if (browser)
+    chrome::ShowExtensionInstalledBubble(extension, browser, icon);
 }
 
 void OnAppLauncherEnabledCompleted(const extensions::Extension* extension,
                                    Profile* profile,
                                    SkBitmap* icon,
                                    bool use_bubble,
                                    bool use_launcher) {
   if (use_launcher) {
     AppListService::Get()->ShowAppList(profile);
 
@@ skipping 88 matching lines @@
                                             const std::string& app_id) {
 #if defined(OS_CHROMEOS)
   AppListService::Get()->ShowAppList(profile);
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_APP_INSTALLED_TO_APPLIST,
       content::Source<Profile>(profile),
       content::Details<const std::string>(&app_id));
 #else
   Browser* browser = FindOrCreateVisibleBrowser(profile);
-  GURL url(chrome::IsInstantExtendedAPIEnabled() ?
-           chrome::kChromeUIAppsURL : chrome::kChromeUINewTabURL);
-  chrome::NavigateParams params(
-      chrome::GetSingletonTabNavigateParams(browser, url));
-  chrome::Navigate(&params);
+  if (browser) {
+    GURL url(chrome::IsInstantExtendedAPIEnabled() ?
+             chrome::kChromeUIAppsURL : chrome::kChromeUINewTabURL);
+    chrome::NavigateParams params(
+        chrome::GetSingletonTabNavigateParams(browser, url));
+    chrome::Navigate(&params);
 
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_APP_INSTALLED_TO_NTP,
-      content::Source<WebContents>(params.target_contents),
-      content::Details<const std::string>(&app_id));
+    content::NotificationService::current()->Notify(
+        chrome::NOTIFICATION_APP_INSTALLED_TO_NTP,
+        content::Source<WebContents>(params.target_contents),
+        content::Details<const std::string>(&app_id));
+  }
 #endif
 }
 
 // static
 void ExtensionInstallUI::DisableFailureUIForTests() {
   disable_failure_ui_for_tests = true;
 }
 
 // static
 ExtensionInstallPrompt* ExtensionInstallUI::CreateInstallPromptWithBrowser(
@@ skipping 93 matching lines @@
                                error);
 }
 
 void ExtensionInstallUIDefault::SetSkipPostInstallUI(bool skip_ui) {
   skip_post_install_ui_ = skip_ui;
 }
 
 void ExtensionInstallUIDefault::SetUseAppInstalledBubble(bool use_bubble) {
   use_app_installed_bubble_ = use_bubble;
 }