Enforce the 'requirements' field in manifests.

chrome/common/extensions/extension.cc

 // 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.
 
 #include "chrome/common/extensions/extension.h"
 
 #include <ostream>
 
 #include "base/base64.h"
 #include "base/basictypes.h"
@@ skipping 1659 matching lines @@
   } else {
     sandboxed_pages_content_security_policy_ =
         kDefaultSandboxedPageContentSecurityPolicy;
     CHECK(ContentSecurityPolicyIsSandboxed(
         sandboxed_pages_content_security_policy_, GetType()));
   }
 
   return true;
 }
 
-// These are not actually persisted (they're only used by the store), but
-// still validated.
 bool Extension::CheckRequirements(string16* error) {
   if (!manifest_->HasKey(keys::kRequirements))
     return true;
   DictionaryValue* requirements_value = NULL;
   if (!manifest_->GetDictionary(keys::kRequirements, &requirements_value)) {
     *error = ASCIIToUTF16(errors::kInvalidRequirements);
     return false;
   }
 
   for (DictionaryValue::key_iterator it = requirements_value->begin_keys();
@@ skipping 2192 matching lines @@
 
 UpdatedExtensionPermissionsInfo::UpdatedExtensionPermissionsInfo(
     const Extension* extension,
     const PermissionSet* permissions,
     Reason reason)
     : reason(reason),
       extension(extension),
       permissions(permissions) {}
 
 }   // namespace extensions