Improve error message for insecure 'content_security_policy' manifest entries.

chrome/common/extensions/extension_manifest_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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_MANIFEST_CONSTANTS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_MANIFEST_CONSTANTS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 288 matching lines @@
   extern const char kInvalidTtsVoicesLang[];
   extern const char kInvalidTtsVoicesVoiceName[];
   extern const char kInvalidUpdateURL[];
   extern const char kInvalidURLPatternError[];
   extern const char kInvalidVersion[];
   extern const char kInvalidWebAccessibleResourcesList[];
   extern const char kInvalidWebAccessibleResource[];
   extern const char kInvalidWebURL[];
   extern const char kInvalidWebURLs[];
   extern const char kInvalidZipHash[];
+  extern const char kInsecureContentSecurityPolicy[];
   extern const char kLaunchPathAndExtentAreExclusive[];
   extern const char kLaunchPathAndURLAreExclusive[];
   extern const char kLaunchURLRequired[];
   extern const char kLocalesMessagesFileMissing[];
   extern const char kLocalesNoDefaultLocaleSpecified[];
   extern const char kLocalesNoDefaultMessages[];
   extern const char kLocalesNoValidLocaleNamesListed[];
   extern const char kLocalesTreeMissing[];
   extern const char kManifestParseError[];
   extern const char kManifestUnreadable[];
   extern const char kMissingFile[];
   extern const char kMultipleOverrides[];
   extern const char kNoWildCardsInPaths[];
   extern const char kPermissionNotAllowed[];
   extern const char kPlatformAppNeedsManifestVersion2[];
   extern const char kOneUISurfaceOnly[];
   extern const char kReservedMessageFound[];
   extern const char kScriptBadgeRequiresFlag[];
   extern const char kScriptBadgeIconIgnored[];
   extern const char kScriptBadgeTitleIgnored[];
   extern const char kWebRequestConflictsWithLazyBackground[];
 #if defined(OS_CHROMEOS)
   extern const char kIllegalPlugins[];
 #endif
 }  // namespace extension_manifest_errors
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_MANIFEST_CONSTANTS_H_