Manifest handler for all keys background-related.

chrome/common/extensions/manifest_handler.cc

 // Copyright (c) 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/common/extensions/manifest_handler.h"
 
 #include <map>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 129 matching lines @@
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 ManifestHandler::ManifestHandler() {
 }
 
 ManifestHandler::~ManifestHandler() {
 }
 
-bool ManifestHandler::AlwaysParseForType(Manifest::Type type) {
+bool ManifestHandler::AlwaysParseForType(Manifest::Type type) const {
   return false;
 }
 
-const std::vector<std::string>& ManifestHandler::PrerequisiteKeys() {
+const std::vector<std::string>& ManifestHandler::PrerequisiteKeys() const {
   return g_empty_string_vector.Get();
 }
 
 // static
 void ManifestHandler::Register(const std::string& key,
                                linked_ptr<ManifestHandler> handler) {
   g_registry.Get().RegisterManifestHandler(key, handler);
 }
 
 // static
 bool ManifestHandler::ParseExtension(Extension* extension, string16* error) {
   return g_registry.Get().ParseExtension(extension, error);
 }
 
 // static
 void ManifestHandler::ClearRegistryForTesting() {
   g_registry.Get().ClearForTesting();
 }
 
 }  // namespace extensions