Restrict the externally_connectable manifest key to effectively a single origin

chrome/common/extensions/manifest_handlers/externally_connectable.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_EXTERNALLY_CONNECTABLE_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_EXTERNALLY_CONNECTABLE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/manifest_handler.h"
 #include "extensions/common/url_pattern_set.h"
 
 class GURL;
 
 namespace base {
 class Value;
 }
 
 namespace extensions {
 
 // Error constants used when parsing the externally_connectable manifest entry.
 namespace externally_connectable_errors {
-  extern const char kErrorInvalid[];
-  extern const char kErrorInvalidMatchPattern[];
-  extern const char kErrorInvalidId[];
+extern const char kErrorInvalid[];
+extern const char kErrorInvalidMatchPattern[];
+extern const char kErrorInvalidId[];
+extern const char kErrorTopLevelDomainsNotAllowed[];
+extern const char kErrorWildcardHostsNotAllowed[];
 }
 
 // Parses the externally_connectable manifest entry.
 class ExternallyConnectableHandler : public ManifestHandler {
  public:
   ExternallyConnectableHandler();
   virtual ~ExternallyConnectableHandler();
 
   virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
 
@@ skipping 32 matching lines @@
   ExternallyConnectableInfo(const URLPatternSet& matches,
                             const std::vector<std::string>& ids,
                             bool matches_all_ids);
 
   DISALLOW_COPY_AND_ASSIGN(ExternallyConnectableInfo);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_EXTERNALLY_CONNECTABLE_H_