Remove media_galleries_handlers - not used.

extensions/common/manifest_constants.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 "extensions/common/manifest_constants.h"
 
 namespace extensions {
 
 namespace manifest_keys {
 
@@ skipping 26 matching lines @@
 const char kDisplayInLauncher[] = "display_in_launcher";
 const char kDisplayInNewTabPage[] = "display_in_new_tab_page";
 const char kEventName[] = "event_name";
 const char kExcludeGlobs[] = "exclude_globs";
 const char kExcludeMatches[] = "exclude_matches";
 const char kExport[] = "export";
 const char kExternallyConnectable[] = "externally_connectable";
 const char kFileAccessList[] = "file_access";
 const char kFileFilters[] = "file_filters";
 const char kFileBrowserHandlers[] = "file_browser_handlers";
-const char kMediaGalleriesHandlers[] = "media_galleries_handlers";
 const char kFileHandlers[] = "file_handlers";
 const char kFileHandlerExtensions[] = "extensions";
 const char kFileHandlerTitle[] = "title";
 const char kFileHandlerTypes[] = "types";
 const char kGlobal[] = "global";
 const char kHideBookmarkButton[] = "hide_bookmark_button";
 const char kHomepageURL[] = "homepage_url";
 const char kIcons[] = "icons";
 const char kId[] = "id";
 const char kImeOptionsPage[] = "options_page";
@@ skipping 282 matching lines @@
 const char kInvalidExportWhitelist[] =
     "Invalid value for 'export.whitelist'.";
 const char kInvalidExportWhitelistString[] =
     "Invalid value for 'export.whitelist[*]'.";
 const char kInvalidFileAccessList[] =
     "Invalid value for 'file_access'.";
 const char kInvalidFileAccessValue[] =
     "Invalid value for 'file_access[*]'.";
 const char kInvalidFileBrowserHandler[] =
     "Invalid value for 'file_browser_handlers'.";
-const char kInvalidMediaGalleriesHandler[] =
-    "Invalid value for 'media_galleries_handlers'.";
 const char kInvalidFileFiltersList[] =
     "Invalid value for 'file_filters'.";
 const char kInvalidFileFilterValue[] =
     "Invalid value for 'file_filters[*]'.";
 const char kInvalidFileHandlers[] =
     "Invalid value for 'file_handlers'.";
 const char kInvalidFileHandlersTooManyTypesAndExtensions[] =
     "Too many MIME and extension file_handlers have been declared.";
 const char kInvalidFileHandlerExtension[] =
     "Invalid value for 'file_handlers[*].extensions'.";
@@ skipping 366 matching lines @@
 const char kWebRequestConflictsWithLazyBackground[] =
     "The 'webRequest' API cannot be used with event pages.";
 #if defined(OS_CHROMEOS)
 const char kIllegalPlugins[] =
     "Extensions cannot install plugins on Chrome OS";
 #endif
 
 }  // namespace manifest_errors
 
 }  // namespace extensions