don't display platform app resources in normal browser windows

chrome/common/url_constants.h

 // 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.
 
 // Contains constants for known URLs and portions thereof.
 
 #ifndef CHROME_COMMON_URL_CONSTANTS_H_
 #define CHROME_COMMON_URL_CONSTANTS_H_
 
 #include "build/build_config.h"
@@ skipping 272 matching lines @@
 extern const char kSyncSetupForceLoginSubPage[];
 extern const char kSyncSetupSubPage[];
 #if defined(OS_CHROMEOS)
 extern const char kInternetOptionsSubPage[];
 extern const char kBluetoothAddDeviceSubPage[];
 #endif
 
 // Extensions sub pages.
 extern const char kExtensionConfigureCommandsSubPage[];
 
+// URLs used to indicate that an extension resource load request
+// was invalid.
+extern const char kExtensionInvalidRequestURL[];
+extern const char kExtensionResourceInvalidRequestURL[];
+
 extern const char kSyncGoogleDashboardURL[];
 
 // "Learn more" URL for the auto password generation.
 extern const char kAutoPasswordGenerationLearnMoreURL[];
 
 extern const char kPasswordManagerLearnMoreURL[];
 
 // General help links for Chrome, opened using various actions.
 extern const char kChromeHelpViaKeyboardURL[];
 extern const char kChromeHelpViaMenuURL[];
@@ skipping 111 matching lines @@
 #endif
 
 #if defined(OS_CHROMEOS)
 // "Learn more" URL for the Cloud Print section under Options.
 extern const char kCloudPrintLearnMoreURL[];
 #endif
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_URL_CONSTANTS_H_