Prevent creating background pages for non-incognito profile in Guest mode

chrome/browser/extensions/chrome_extensions_browser_client.cc

 // Copyright 2013 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/extensions/chrome_extensions_browser_client.h"
 
 #include "base/command_line.h"
 #include "base/version.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/chrome_app_sorting.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/pref_names.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/chromeos_switches.h"
+#endif
+
 namespace extensions {
 
 ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {}
 
 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}
 
 bool ChromeExtensionsBrowserClient::IsShuttingDown() {
   return g_browser_process->IsShuttingDown();
 }
 
@@ skipping 51 matching lines @@
 #if defined(OS_ANDROID)
   return false;
 #else
   // There are no browser windows open and the browser process was
   // started to show the app launcher.
   return chrome::GetTotalBrowserCountForProfile(profile) == 0 &&
          CommandLine::ForCurrentProcess()->HasSwitch(switches::kShowAppList);
 #endif
 }
 
+bool ChromeExtensionsBrowserClient::IsBackgroundPageAllowed(
+    content::BrowserContext* context) const {
+#if defined(OS_CHROMEOS)
+  // Returns true if current session is Chrome OS Guest mode session and current
+  // browser context is *not* off-the-record. Such context is artificial and
+  // background page shouldn't be created in it.
+  const CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(chromeos::switches::kGuestSession) &&
+      !context->IsOffTheRecord()) {
+    return false;
+  }
+#endif
+  return true;
+}
+
 bool ChromeExtensionsBrowserClient::DidVersionUpdate(
     content::BrowserContext* context) {
   Profile* profile = static_cast<Profile*>(context);
 
   // Unit tests may not provide prefs; assume everything is up-to-date.
   ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(profile);
   if (!extension_prefs)
     return false;
 
   // If we're inside a browser test, then assume prefs are all up-to-date.
@@ skipping 27 matching lines @@
 bool ChromeExtensionsBrowserClient::IsRunningInForcedAppMode() {
   return chrome::IsRunningInForcedAppMode();
 }
 
 content::JavaScriptDialogManager*
 ChromeExtensionsBrowserClient::GetJavaScriptDialogManager() {
   return GetJavaScriptDialogManagerInstance();
 }
 
 }  // namespace extensions